Finding the Third Proportional to 5,215,224 and 8,068,418

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215,224 : 8,068,418 = 8,068,418 : x
2. Step 2: Convert to fraction form
   5,215,224/8,068,418 = 8,068,418/x
3. Step 3: Cross multiply
   5,215,224x = 8,068,418 × 8,068,418
4. Step 4: Simplify right side
   5,215,224x = 65,099,369,022,724
5. Step 5: Solve for x
   x = 65,099,369,022,724/5,215,224
6. Step 6: Final answer
   x = 12,482,564.32