Finding the Third Proportional to 4,131,677 and 8,949,442

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,677 : 8,949,442 = 8,949,442 : x
2. Step 2: Convert to fraction form
   4,131,677/8,949,442 = 8,949,442/x
3. Step 3: Cross multiply
   4,131,677x = 8,949,442 × 8,949,442
4. Step 4: Simplify right side
   4,131,677x = 80,092,512,111,364
5. Step 5: Solve for x
   x = 80,092,512,111,364/4,131,677
6. Step 6: Final answer
   x = 19,384,988.74