Finding the Third Proportional to 3,954,012 and 8,633,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954,012 : 8,633,124 = 8,633,124 : x
2. Step 2: Convert to fraction form
   3,954,012/8,633,124 = 8,633,124/x
3. Step 3: Cross multiply
   3,954,012x = 8,633,124 × 8,633,124
4. Step 4: Simplify right side
   3,954,012x = 74,530,829,999,376
5. Step 5: Solve for x
   x = 74,530,829,999,376/3,954,012
6. Step 6: Final answer
   x = 18,849,419.27