Finding the Third Proportional to 5,185,248 and 8,115,600

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185,248 : 8,115,600 = 8,115,600 : x
2. Step 2: Convert to fraction form
   5,185,248/8,115,600 = 8,115,600/x
3. Step 3: Cross multiply
   5,185,248x = 8,115,600 × 8,115,600
4. Step 4: Simplify right side
   5,185,248x = 65,862,963,360,000
5. Step 5: Solve for x
   x = 65,862,963,360,000/5,185,248
6. Step 6: Final answer
   x = 12,701,989.06