Finding the Third Proportional to 3,645,946 and 7,857,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,946 : 7,857,124 = 7,857,124 : x
2. Step 2: Convert to fraction form
   3,645,946/7,857,124 = 7,857,124/x
3. Step 3: Cross multiply
   3,645,946x = 7,857,124 × 7,857,124
4. Step 4: Simplify right side
   3,645,946x = 61,734,397,551,376
5. Step 5: Solve for x
   x = 61,734,397,551,376/3,645,946
6. Step 6: Final answer
   x = 16,932,340.07