Finding the Third Proportional to 8,162,151 and 12,200,580

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162,151 : 12,200,580 = 12,200,580 : x
2. Step 2: Convert to fraction form
   8,162,151/12,200,580 = 12,200,580/x
3. Step 3: Cross multiply
   8,162,151x = 12,200,580 × 12,200,580
4. Step 4: Simplify right side
   8,162,151x = 148,854,152,336,400
5. Step 5: Solve for x
   x = 148,854,152,336,400/8,162,151
6. Step 6: Final answer
   x = 18,237,123.07