Finding the Third Proportional to 749,346 and 1,124,040

Step by Step Solution

1. Step 1: Write the proportion equation
   749,346 : 1,124,040 = 1,124,040 : x
2. Step 2: Convert to fraction form
   749,346/1,124,040 = 1,124,040/x
3. Step 3: Cross multiply
   749,346x = 1,124,040 × 1,124,040
4. Step 4: Simplify right side
   749,346x = 1,263,465,921,600
5. Step 5: Solve for x
   x = 1,263,465,921,600/749,346
6. Step 6: Final answer
   x = 1,686,091.50