Finding the Third Proportional to 5,421,578 and 7,951,250

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,578 : 7,951,250 = 7,951,250 : x
2. Step 2: Convert to fraction form
   5,421,578/7,951,250 = 7,951,250/x
3. Step 3: Cross multiply
   5,421,578x = 7,951,250 × 7,951,250
4. Step 4: Simplify right side
   5,421,578x = 63,222,376,562,500
5. Step 5: Solve for x
   x = 63,222,376,562,500/5,421,578
6. Step 6: Final answer
   x = 11,661,250.02