Finding the Third Proportional to 458,704 and 708,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,704 : 708,508.50 = 708,508.50 : x
2. Step 2: Convert to fraction form
   458,704/708,508.50 = 708,508.50/x
3. Step 3: Cross multiply
   458,704x = 708,508.50 × 708,508.50
4. Step 4: Simplify right side
   458,704x = 501,984,294,572.25
5. Step 5: Solve for x
   x = 501,984,294,572.25/458,704
6. Step 6: Final answer
   x = 1,094,353.43