Finding the Third Proportional to 5,612,814 and 8,470,008

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,814 : 8,470,008 = 8,470,008 : x
2. Step 2: Convert to fraction form
   5,612,814/8,470,008 = 8,470,008/x
3. Step 3: Cross multiply
   5,612,814x = 8,470,008 × 8,470,008
4. Step 4: Simplify right side
   5,612,814x = 71,741,035,520,064
5. Step 5: Solve for x
   x = 71,741,035,520,064/5,612,814
6. Step 6: Final answer
   x = 12,781,652.04