Finding the Third Proportional to 341,799.75 and 736,128

Step by Step Solution

1. Step 1: Write the proportion equation
   341,799.75 : 736,128 = 736,128 : x
2. Step 2: Convert to fraction form
   341,799.75/736,128 = 736,128/x
3. Step 3: Cross multiply
   341,799.75x = 736,128 × 736,128
4. Step 4: Simplify right side
   341,799.75x = 541,884,432,384
5. Step 5: Solve for x
   x = 541,884,432,384/341,799.75
6. Step 6: Final answer
   x = 1,585,385.69