Finding the Third Proportional to 1,565,451 and 3,398,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,565,451 : 3,398,586 = 3,398,586 : x
2. Step 2: Convert to fraction form
   1,565,451/3,398,586 = 3,398,586/x
3. Step 3: Cross multiply
   1,565,451x = 3,398,586 × 3,398,586
4. Step 4: Simplify right side
   1,565,451x = 11,550,386,799,396
5. Step 5: Solve for x
   x = 11,550,386,799,396/1,565,451
6. Step 6: Final answer
   x = 7,378,312.58