Finding the Third Proportional to 339,375 and 702,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,375 : 702,238.50 = 702,238.50 : x
2. Step 2: Convert to fraction form
   339,375/702,238.50 = 702,238.50/x
3. Step 3: Cross multiply
   339,375x = 702,238.50 × 702,238.50
4. Step 4: Simplify right side
   339,375x = 493,138,910,882.25
5. Step 5: Solve for x
   x = 493,138,910,882.25/339,375
6. Step 6: Final answer
   x = 1,453,079.66