Finding the Third Proportional to 474,150 and 708,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   474,150 : 708,415.50 = 708,415.50 : x
2. Step 2: Convert to fraction form
   474,150/708,415.50 = 708,415.50/x
3. Step 3: Cross multiply
   474,150x = 708,415.50 × 708,415.50
4. Step 4: Simplify right side
   474,150x = 501,852,520,640.25
5. Step 5: Solve for x
   x = 501,852,520,640.25/474,150
6. Step 6: Final answer
   x = 1,058,425.65