Finding the Third Proportional to 8,633,488.50 and 12,472,890.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,633,488.50 : 12,472,890.75 = 12,472,890.75 : x
2. Step 2: Convert to fraction form
   8,633,488.50/12,472,890.75 = 12,472,890.75/x
3. Step 3: Cross multiply
   8,633,488.50x = 12,472,890.75 × 12,472,890.75
4. Step 4: Simplify right side
   8,633,488.50x = 155,573,003,661,435.56
5. Step 5: Solve for x
   x = 155,573,003,661,435.56/8,633,488.50
6. Step 6: Final answer
   x = 18,019,715.17