Finding the Third Proportional to 21,637,641 and 45,689,730

Step by Step Solution

1. Step 1: Write the proportion equation
   21,637,641 : 45,689,730 = 45,689,730 : x
2. Step 2: Convert to fraction form
   21,637,641/45,689,730 = 45,689,730/x
3. Step 3: Cross multiply
   21,637,641x = 45,689,730 × 45,689,730
4. Step 4: Simplify right side
   21,637,641x = 2,087,551,427,472,900
5. Step 5: Solve for x
   x = 2,087,551,427,472,900/21,637,641
6. Step 6: Final answer
   x = 96,477,773.50