Finding the Third Proportional to 462,807 and 739,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   462,807 : 739,042.50 = 739,042.50 : x
2. Step 2: Convert to fraction form
   462,807/739,042.50 = 739,042.50/x
3. Step 3: Cross multiply
   462,807x = 739,042.50 × 739,042.50
4. Step 4: Simplify right side
   462,807x = 546,183,816,806.25
5. Step 5: Solve for x
   x = 546,183,816,806.25/462,807
6. Step 6: Final answer
   x = 1,180,154.61