Finding the Third Proportional to 330,463.50 and 708,870

Step by Step Solution

1. Step 1: Write the proportion equation
   330,463.50 : 708,870 = 708,870 : x
2. Step 2: Convert to fraction form
   330,463.50/708,870 = 708,870/x
3. Step 3: Cross multiply
   330,463.50x = 708,870 × 708,870
4. Step 4: Simplify right side
   330,463.50x = 502,496,676,900
5. Step 5: Solve for x
   x = 502,496,676,900/330,463.50
6. Step 6: Final answer
   x = 1,520,581.48