Finding the Third Proportional to 9,186,100 and 21,456,054

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,100 : 21,456,054 = 21,456,054 : x
2. Step 2: Convert to fraction form
   9,186,100/21,456,054 = 21,456,054/x
3. Step 3: Cross multiply
   9,186,100x = 21,456,054 × 21,456,054
4. Step 4: Simplify right side
   9,186,100x = 460,362,253,250,916
5. Step 5: Solve for x
   x = 460,362,253,250,916/9,186,100
6. Step 6: Final answer
   x = 50,115,092.72