Finding the Third Proportional to 717,092 and 1,574,128

Step by Step Solution

1. Step 1: Write the proportion equation
   717,092 : 1,574,128 = 1,574,128 : x
2. Step 2: Convert to fraction form
   717,092/1,574,128 = 1,574,128/x
3. Step 3: Cross multiply
   717,092x = 1,574,128 × 1,574,128
4. Step 4: Simplify right side
   717,092x = 2,477,878,960,384
5. Step 5: Solve for x
   x = 2,477,878,960,384/717,092
6. Step 6: Final answer
   x = 3,455,454.75