Finding the Third Proportional to 4,102,418 and 8,976,964

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,418 : 8,976,964 = 8,976,964 : x
2. Step 2: Convert to fraction form
   4,102,418/8,976,964 = 8,976,964/x
3. Step 3: Cross multiply
   4,102,418x = 8,976,964 × 8,976,964
4. Step 4: Simplify right side
   4,102,418x = 80,585,882,657,296
5. Step 5: Solve for x
   x = 80,585,882,657,296/4,102,418
6. Step 6: Final answer
   x = 19,643,508.45