Finding the Third Proportional to 341,352 and 748,311.75

Step by Step Solution

1. Step 1: Write the proportion equation
   341,352 : 748,311.75 = 748,311.75 : x
2. Step 2: Convert to fraction form
   341,352/748,311.75 = 748,311.75/x
3. Step 3: Cross multiply
   341,352x = 748,311.75 × 748,311.75
4. Step 4: Simplify right side
   341,352x = 559,970,475,188.06
5. Step 5: Solve for x
   x = 559,970,475,188.06/341,352
6. Step 6: Final answer
   x = 1,640,448.79