Finding the Third Proportional to 5,607,848 and 8,402,416

Step by Step Solution

1. Step 1: Write the proportion equation
   5,607,848 : 8,402,416 = 8,402,416 : x
2. Step 2: Convert to fraction form
   5,607,848/8,402,416 = 8,402,416/x
3. Step 3: Cross multiply
   5,607,848x = 8,402,416 × 8,402,416
4. Step 4: Simplify right side
   5,607,848x = 70,600,594,637,056
5. Step 5: Solve for x
   x = 70,600,594,637,056/5,607,848
6. Step 6: Final answer
   x = 12,589,605.61