Finding the Third Proportional to 5,672,427 and 12,142,200

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672,427 : 12,142,200 = 12,142,200 : x
2. Step 2: Convert to fraction form
   5,672,427/12,142,200 = 12,142,200/x
3. Step 3: Cross multiply
   5,672,427x = 12,142,200 × 12,142,200
4. Step 4: Simplify right side
   5,672,427x = 147,433,020,840,000
5. Step 5: Solve for x
   x = 147,433,020,840,000/5,672,427
6. Step 6: Final answer
   x = 25,991,171.12