Finding the Third Proportional to 349,332 and 711,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,332 : 711,508.50 = 711,508.50 : x
2. Step 2: Convert to fraction form
   349,332/711,508.50 = 711,508.50/x
3. Step 3: Cross multiply
   349,332x = 711,508.50 × 711,508.50
4. Step 4: Simplify right side
   349,332x = 506,244,345,572.25
5. Step 5: Solve for x
   x = 506,244,345,572.25/349,332
6. Step 6: Final answer
   x = 1,449,178.28