Finding the Third Proportional to 8,103,221 and 12,360,630

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103,221 : 12,360,630 = 12,360,630 : x
2. Step 2: Convert to fraction form
   8,103,221/12,360,630 = 12,360,630/x
3. Step 3: Cross multiply
   8,103,221x = 12,360,630 × 12,360,630
4. Step 4: Simplify right side
   8,103,221x = 152,785,173,996,900
5. Step 5: Solve for x
   x = 152,785,173,996,900/8,103,221
6. Step 6: Final answer
   x = 18,854,869.44