Finding the Third Proportional to 340,200 and 708,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,200 : 708,385.50 = 708,385.50 : x
2. Step 2: Convert to fraction form
   340,200/708,385.50 = 708,385.50/x
3. Step 3: Cross multiply
   340,200x = 708,385.50 × 708,385.50
4. Step 4: Simplify right side
   340,200x = 501,810,016,610.25
5. Step 5: Solve for x
   x = 501,810,016,610.25/340,200
6. Step 6: Final answer
   x = 1,475,044.14