Finding the Third Proportional to 1,157,690 and 2,508,565

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,690 : 2,508,565 = 2,508,565 : x
2. Step 2: Convert to fraction form
   1,157,690/2,508,565 = 2,508,565/x
3. Step 3: Cross multiply
   1,157,690x = 2,508,565 × 2,508,565
4. Step 4: Simplify right side
   1,157,690x = 6,292,898,359,225
5. Step 5: Solve for x
   x = 6,292,898,359,225/1,157,690
6. Step 6: Final answer
   x = 5,435,736.99