Finding the Third Proportional to 21,638,592 and 45,691,632

Step by Step Solution

1. Step 1: Write the proportion equation
   21,638,592 : 45,691,632 = 45,691,632 : x
2. Step 2: Convert to fraction form
   21,638,592/45,691,632 = 45,691,632/x
3. Step 3: Cross multiply
   21,638,592x = 45,691,632 × 45,691,632
4. Step 4: Simplify right side
   21,638,592x = 2,087,725,234,823,424
5. Step 5: Solve for x
   x = 2,087,725,234,823,424/21,638,592
6. Step 6: Final answer
   x = 96,481,565.66