Finding the Third Proportional to 21,637,666 and 45,689,774

Step by Step Solution

1. Step 1: Write the proportion equation
   21,637,666 : 45,689,774 = 45,689,774 : x
2. Step 2: Convert to fraction form
   21,637,666/45,689,774 = 45,689,774/x
3. Step 3: Cross multiply
   21,637,666x = 45,689,774 × 45,689,774
4. Step 4: Simplify right side
   21,637,666x = 2,087,555,448,171,076
5. Step 5: Solve for x
   x = 2,087,555,448,171,076/21,637,666
6. Step 6: Final answer
   x = 96,477,847.85