Finding the Third Proportional to 666,562.50 and 1,434,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,562.50 : 1,434,280.50 = 1,434,280.50 : x
2. Step 2: Convert to fraction form
   666,562.50/1,434,280.50 = 1,434,280.50/x
3. Step 3: Cross multiply
   666,562.50x = 1,434,280.50 × 1,434,280.50
4. Step 4: Simplify right side
   666,562.50x = 2,057,160,552,680.25
5. Step 5: Solve for x
   x = 2,057,160,552,680.25/666,562.50
6. Step 6: Final answer
   x = 3,086,223.05