Finding the Third Proportional to 4,487,648 and 9,659,584

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,648 : 9,659,584 = 9,659,584 : x
2. Step 2: Convert to fraction form
   4,487,648/9,659,584 = 9,659,584/x
3. Step 3: Cross multiply
   4,487,648x = 9,659,584 × 9,659,584
4. Step 4: Simplify right side
   4,487,648x = 93,307,563,053,056
5. Step 5: Solve for x
   x = 93,307,563,053,056/4,487,648
6. Step 6: Final answer
   x = 20,792,085.98