Finding the Third Proportional to 7,091,478 and 10,385,676

Step by Step Solution

1. Step 1: Write the proportion equation
   7,091,478 : 10,385,676 = 10,385,676 : x
2. Step 2: Convert to fraction form
   7,091,478/10,385,676 = 10,385,676/x
3. Step 3: Cross multiply
   7,091,478x = 10,385,676 × 10,385,676
4. Step 4: Simplify right side
   7,091,478x = 107,862,265,976,976
5. Step 5: Solve for x
   x = 107,862,265,976,976/7,091,478
6. Step 6: Final answer
   x = 15,210,124.88