Finding the Third Proportional to 6,685,730 and 10,185,315

Step by Step Solution

1. Step 1: Write the proportion equation
   6,685,730 : 10,185,315 = 10,185,315 : x
2. Step 2: Convert to fraction form
   6,685,730/10,185,315 = 10,185,315/x
3. Step 3: Cross multiply
   6,685,730x = 10,185,315 × 10,185,315
4. Step 4: Simplify right side
   6,685,730x = 103,740,641,649,225
5. Step 5: Solve for x
   x = 103,740,641,649,225/6,685,730
6. Step 6: Final answer
   x = 15,516,726.17