Finding the Third Proportional to 1,121,008 and 1,707,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,008 : 1,707,432 = 1,707,432 : x
2. Step 2: Convert to fraction form
   1,121,008/1,707,432 = 1,707,432/x
3. Step 3: Cross multiply
   1,121,008x = 1,707,432 × 1,707,432
4. Step 4: Simplify right side
   1,121,008x = 2,915,324,034,624
5. Step 5: Solve for x
   x = 2,915,324,034,624/1,121,008
6. Step 6: Final answer
   x = 2,600,627.32