Finding the Third Proportional to 12,249,868.50 and 16,646,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,249,868.50 : 16,646,581.50 = 16,646,581.50 : x
2. Step 2: Convert to fraction form
   12,249,868.50/16,646,581.50 = 16,646,581.50/x
3. Step 3: Cross multiply
   12,249,868.50x = 16,646,581.50 × 16,646,581.50
4. Step 4: Simplify right side
   12,249,868.50x = 277,108,675,636,142.25
5. Step 5: Solve for x
   x = 277,108,675,636,142.25/12,249,868.50
6. Step 6: Final answer
   x = 22,621,359.21