Finding the Third Proportional to 3,490,400 and 7,541,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,400 : 7,541,131 = 7,541,131 : x
2. Step 2: Convert to fraction form
   3,490,400/7,541,131 = 7,541,131/x
3. Step 3: Cross multiply
   3,490,400x = 7,541,131 × 7,541,131
4. Step 4: Simplify right side
   3,490,400x = 56,868,656,759,161
5. Step 5: Solve for x
   x = 56,868,656,759,161/3,490,400
6. Step 6: Final answer
   x = 16,292,876.68