Finding the Third Proportional to 3,661,590 and 7,974,120

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661,590 : 7,974,120 = 7,974,120 : x
2. Step 2: Convert to fraction form
   3,661,590/7,974,120 = 7,974,120/x
3. Step 3: Cross multiply
   3,661,590x = 7,974,120 × 7,974,120
4. Step 4: Simplify right side
   3,661,590x = 63,586,589,774,400
5. Step 5: Solve for x
   x = 63,586,589,774,400/3,661,590
6. Step 6: Final answer
   x = 17,365,841.01