Finding the Third Proportional to 340,588.50 and 730,059

Step by Step Solution

1. Step 1: Write the proportion equation
   340,588.50 : 730,059 = 730,059 : x
2. Step 2: Convert to fraction form
   340,588.50/730,059 = 730,059/x
3. Step 3: Cross multiply
   340,588.50x = 730,059 × 730,059
4. Step 4: Simplify right side
   340,588.50x = 532,986,143,481
5. Step 5: Solve for x
   x = 532,986,143,481/340,588.50
6. Step 6: Final answer
   x = 1,564,897.65