Finding the Third Proportional to 5,607,578 and 8,402,025

Step by Step Solution

1. Step 1: Write the proportion equation
   5,607,578 : 8,402,025 = 8,402,025 : x
2. Step 2: Convert to fraction form
   5,607,578/8,402,025 = 8,402,025/x
3. Step 3: Cross multiply
   5,607,578x = 8,402,025 × 8,402,025
4. Step 4: Simplify right side
   5,607,578x = 70,594,024,100,625
5. Step 5: Solve for x
   x = 70,594,024,100,625/5,607,578
6. Step 6: Final answer
   x = 12,589,040.06