Finding the Third Proportional to 1,574,657 and 3,454,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,657 : 3,454,396 = 3,454,396 : x
2. Step 2: Convert to fraction form
   1,574,657/3,454,396 = 3,454,396/x
3. Step 3: Cross multiply
   1,574,657x = 3,454,396 × 3,454,396
4. Step 4: Simplify right side
   1,574,657x = 11,932,851,724,816
5. Step 5: Solve for x
   x = 11,932,851,724,816/1,574,657
6. Step 6: Final answer
   x = 7,578,064.13