Finding the Third Proportional to 1,574,440 and 3,451,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,440 : 3,451,496 = 3,451,496 : x
2. Step 2: Convert to fraction form
   1,574,440/3,451,496 = 3,451,496/x
3. Step 3: Cross multiply
   1,574,440x = 3,451,496 × 3,451,496
4. Step 4: Simplify right side
   1,574,440x = 11,912,824,638,016
5. Step 5: Solve for x
   x = 11,912,824,638,016/1,574,440
6. Step 6: Final answer
   x = 7,566,388.45