Finding the Third Proportional to 2,146,658,172 and 4,637,984,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,658,172 : 4,637,984,736 = 4,637,984,736 : x
2. Step 2: Convert to fraction form
   2,146,658,172/4,637,984,736 = 4,637,984,736/x
3. Step 3: Cross multiply
   2,146,658,172x = 4,637,984,736 × 4,637,984,736
4. Step 4: Simplify right side
   2,146,658,172x = 21,510,902,411,368,988,672
5. Step 5: Solve for x
   x = 21,510,902,411,368,988,672/2,146,658,172
6. Step 6: Final answer
   x = 10,020,646,366.50