Finding the Third Proportional to 338,719.50 and 730,314

Step by Step Solution

1. Step 1: Write the proportion equation
   338,719.50 : 730,314 = 730,314 : x
2. Step 2: Convert to fraction form
   338,719.50/730,314 = 730,314/x
3. Step 3: Cross multiply
   338,719.50x = 730,314 × 730,314
4. Step 4: Simplify right side
   338,719.50x = 533,358,538,596
5. Step 5: Solve for x
   x = 533,358,538,596/338,719.50
6. Step 6: Final answer
   x = 1,574,631.93