Finding the Third Proportional to 341,401.50 and 748,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,401.50 : 748,111.50 = 748,111.50 : x
2. Step 2: Convert to fraction form
   341,401.50/748,111.50 = 748,111.50/x
3. Step 3: Cross multiply
   341,401.50x = 748,111.50 × 748,111.50
4. Step 4: Simplify right side
   341,401.50x = 559,670,816,432.25
5. Step 5: Solve for x
   x = 559,670,816,432.25/341,401.50
6. Step 6: Final answer
   x = 1,639,333.21