Finding the Third Proportional to 3,160,087 and 7,003,478

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160,087 : 7,003,478 = 7,003,478 : x
2. Step 2: Convert to fraction form
   3,160,087/7,003,478 = 7,003,478/x
3. Step 3: Cross multiply
   3,160,087x = 7,003,478 × 7,003,478
4. Step 4: Simplify right side
   3,160,087x = 49,048,704,096,484
5. Step 5: Solve for x
   x = 49,048,704,096,484/3,160,087
6. Step 6: Final answer
   x = 15,521,314.48