Finding the Third Proportional to 21,638,572 and 45,691,592

Step by Step Solution

1. Step 1: Write the proportion equation
   21,638,572 : 45,691,592 = 45,691,592 : x
2. Step 2: Convert to fraction form
   21,638,572/45,691,592 = 45,691,592/x
3. Step 3: Cross multiply
   21,638,572x = 45,691,592 × 45,691,592
4. Step 4: Simplify right side
   21,638,572x = 2,087,721,579,494,464
5. Step 5: Solve for x
   x = 2,087,721,579,494,464/21,638,572
6. Step 6: Final answer
   x = 96,481,485.91