Finding the Third Proportional to 9,662,487 and 21,061,088

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662,487 : 21,061,088 = 21,061,088 : x
2. Step 2: Convert to fraction form
   9,662,487/21,061,088 = 21,061,088/x
3. Step 3: Cross multiply
   9,662,487x = 21,061,088 × 21,061,088
4. Step 4: Simplify right side
   9,662,487x = 443,569,427,743,744
5. Step 5: Solve for x
   x = 443,569,427,743,744/9,662,487
6. Step 6: Final answer
   x = 45,906,341.48