Finding the Third Proportional to 469,606.50 and 708,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   469,606.50 : 708,766.50 = 708,766.50 : x
2. Step 2: Convert to fraction form
   469,606.50/708,766.50 = 708,766.50/x
3. Step 3: Cross multiply
   469,606.50x = 708,766.50 × 708,766.50
4. Step 4: Simplify right side
   469,606.50x = 502,349,951,522.25
5. Step 5: Solve for x
   x = 502,349,951,522.25/469,606.50
6. Step 6: Final answer
   x = 1,069,725.29