Finding the Third Proportional to 338,716.50 and 730,308

Step by Step Solution

1. Step 1: Write the proportion equation
   338,716.50 : 730,308 = 730,308 : x
2. Step 2: Convert to fraction form
   338,716.50/730,308 = 730,308/x
3. Step 3: Cross multiply
   338,716.50x = 730,308 × 730,308
4. Step 4: Simplify right side
   338,716.50x = 533,349,774,864
5. Step 5: Solve for x
   x = 533,349,774,864/338,716.50
6. Step 6: Final answer
   x = 1,574,620.00