Finding the Third Proportional to 1,591,117 and 3,542,373

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,117 : 3,542,373 = 3,542,373 : x
2. Step 2: Convert to fraction form
   1,591,117/3,542,373 = 3,542,373/x
3. Step 3: Cross multiply
   1,591,117x = 3,542,373 × 3,542,373
4. Step 4: Simplify right side
   1,591,117x = 12,548,406,471,129
5. Step 5: Solve for x
   x = 12,548,406,471,129/1,591,117
6. Step 6: Final answer
   x = 7,886,539.12