Finding the Third Proportional to 1,591,125 and 3,542,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,125 : 3,542,389 = 3,542,389 : x
2. Step 2: Convert to fraction form
   1,591,125/3,542,389 = 3,542,389/x
3. Step 3: Cross multiply
   1,591,125x = 3,542,389 × 3,542,389
4. Step 4: Simplify right side
   1,591,125x = 12,548,519,827,321
5. Step 5: Solve for x
   x = 12,548,519,827,321/1,591,125
6. Step 6: Final answer
   x = 7,886,570.71