Finding the Third Proportional to 3,661,594 and 7,974,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661,594 : 7,974,128 = 7,974,128 : x
2. Step 2: Convert to fraction form
   3,661,594/7,974,128 = 7,974,128/x
3. Step 3: Cross multiply
   3,661,594x = 7,974,128 × 7,974,128
4. Step 4: Simplify right side
   3,661,594x = 63,586,717,360,384
5. Step 5: Solve for x
   x = 63,586,717,360,384/3,661,594
6. Step 6: Final answer
   x = 17,365,856.88