Finding the Third Proportional to 4,997,767,789,278 and 10,136,061,434,574

Step by Step Solution

1. Step 1: Write the proportion equation
   4,997,767,789,278 : 10,136,061,434,574 = 10,136,061,434,574 : x
2. Step 2: Convert to fraction form
   4,997,767,789,278/10,136,061,434,574 = 10,136,061,434,574/x
3. Step 3: Cross multiply
   4,997,767,789,278x = 10,136,061,434,574 × 10,136,061,434,574
4. Step 4: Simplify right side
   4,997,767,789,278x = 102,739,741,405,458,333,133,963,264
5. Step 5: Solve for x
   x = 102,739,741,405,458,333,133,963,264/4,997,767,789,278
6. Step 6: Final answer
   x = 20,557,125,848,438.14