Finding the Third Proportional to 3,761,584 and 8,878,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761,584 : 8,878,216 = 8,878,216 : x
2. Step 2: Convert to fraction form
   3,761,584/8,878,216 = 8,878,216/x
3. Step 3: Cross multiply
   3,761,584x = 8,878,216 × 8,878,216
4. Step 4: Simplify right side
   3,761,584x = 78,822,719,342,656
5. Step 5: Solve for x
   x = 78,822,719,342,656/3,761,584
6. Step 6: Final answer
   x = 20,954,661.48