Finding the Third Proportional to 21,638,578 and 45,691,604

Step by Step Solution

1. Step 1: Write the proportion equation
   21,638,578 : 45,691,604 = 45,691,604 : x
2. Step 2: Convert to fraction form
   21,638,578/45,691,604 = 45,691,604/x
3. Step 3: Cross multiply
   21,638,578x = 45,691,604 × 45,691,604
4. Step 4: Simplify right side
   21,638,578x = 2,087,722,676,092,816
5. Step 5: Solve for x
   x = 2,087,722,676,092,816/21,638,578
6. Step 6: Final answer
   x = 96,481,509.83