Finding the Third Proportional to 5,475,876 and 8,512,500

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475,876 : 8,512,500 = 8,512,500 : x
2. Step 2: Convert to fraction form
   5,475,876/8,512,500 = 8,512,500/x
3. Step 3: Cross multiply
   5,475,876x = 8,512,500 × 8,512,500
4. Step 4: Simplify right side
   5,475,876x = 72,462,656,250,000
5. Step 5: Solve for x
   x = 72,462,656,250,000/5,475,876
6. Step 6: Final answer
   x = 13,233,071.06