Finding the Third Proportional to 6,810,386 and 10,156,515

Step by Step Solution

1. Step 1: Write the proportion equation
   6,810,386 : 10,156,515 = 10,156,515 : x
2. Step 2: Convert to fraction form
   6,810,386/10,156,515 = 10,156,515/x
3. Step 3: Cross multiply
   6,810,386x = 10,156,515 × 10,156,515
4. Step 4: Simplify right side
   6,810,386x = 103,154,796,945,225
5. Step 5: Solve for x
   x = 103,154,796,945,225/6,810,386
6. Step 6: Final answer
   x = 15,146,688.74