Finding the Third Proportional to 341,500.50 and 749,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,500.50 : 749,431.50 = 749,431.50 : x
2. Step 2: Convert to fraction form
   341,500.50/749,431.50 = 749,431.50/x
3. Step 3: Cross multiply
   341,500.50x = 749,431.50 × 749,431.50
4. Step 4: Simplify right side
   341,500.50x = 561,647,573,192.25
5. Step 5: Solve for x
   x = 561,647,573,192.25/341,500.50
6. Step 6: Final answer
   x = 1,644,646.42