Finding the Third Proportional to 341,677.50 and 725,400

Step by Step Solution

1. Step 1: Write the proportion equation
   341,677.50 : 725,400 = 725,400 : x
2. Step 2: Convert to fraction form
   341,677.50/725,400 = 725,400/x
3. Step 3: Cross multiply
   341,677.50x = 725,400 × 725,400
4. Step 4: Simplify right side
   341,677.50x = 526,205,160,000
5. Step 5: Solve for x
   x = 526,205,160,000/341,677.50
6. Step 6: Final answer
   x = 1,540,063.83