Finding the Third Proportional to 3,947,133 and 8,503,332

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,133 : 8,503,332 = 8,503,332 : x
2. Step 2: Convert to fraction form
   3,947,133/8,503,332 = 8,503,332/x
3. Step 3: Cross multiply
   3,947,133x = 8,503,332 × 8,503,332
4. Step 4: Simplify right side
   3,947,133x = 72,306,655,102,224
5. Step 5: Solve for x
   x = 72,306,655,102,224/3,947,133
6. Step 6: Final answer
   x = 18,318,778.49