Finding the Third Proportional to 3,921,940 and 8,495,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921,940 : 8,495,124 = 8,495,124 : x
2. Step 2: Convert to fraction form
   3,921,940/8,495,124 = 8,495,124/x
3. Step 3: Cross multiply
   3,921,940x = 8,495,124 × 8,495,124
4. Step 4: Simplify right side
   3,921,940x = 72,167,131,775,376
5. Step 5: Solve for x
   x = 72,167,131,775,376/3,921,940
6. Step 6: Final answer
   x = 18,400,876.04