Finding the Third Proportional to 8,216,599.50 and 12,020,663.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,599.50 : 12,020,663.25 = 12,020,663.25 : x
2. Step 2: Convert to fraction form
   8,216,599.50/12,020,663.25 = 12,020,663.25/x
3. Step 3: Cross multiply
   8,216,599.50x = 12,020,663.25 × 12,020,663.25
4. Step 4: Simplify right side
   8,216,599.50x = 144,496,344,969,900.56
5. Step 5: Solve for x
   x = 144,496,344,969,900.56/8,216,599.50
6. Step 6: Final answer
   x = 17,585,905.82