Finding the Third Proportional to 5,375,670 and 8,323,515

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375,670 : 8,323,515 = 8,323,515 : x
2. Step 2: Convert to fraction form
   5,375,670/8,323,515 = 8,323,515/x
3. Step 3: Cross multiply
   5,375,670x = 8,323,515 × 8,323,515
4. Step 4: Simplify right side
   5,375,670x = 69,280,901,955,225
5. Step 5: Solve for x
   x = 69,280,901,955,225/5,375,670
6. Step 6: Final answer
   x = 12,887,863.64