Finding the Third Proportional to 342,045 and 749,760

Step by Step Solution

1. Step 1: Write the proportion equation
   342,045 : 749,760 = 749,760 : x
2. Step 2: Convert to fraction form
   342,045/749,760 = 749,760/x
3. Step 3: Cross multiply
   342,045x = 749,760 × 749,760
4. Step 4: Simplify right side
   342,045x = 562,140,057,600
5. Step 5: Solve for x
   x = 562,140,057,600/342,045
6. Step 6: Final answer
   x = 1,643,468.13