Finding the Third Proportional to 5,663,142 and 12,227,868

Step by Step Solution

1. Step 1: Write the proportion equation
   5,663,142 : 12,227,868 = 12,227,868 : x
2. Step 2: Convert to fraction form
   5,663,142/12,227,868 = 12,227,868/x
3. Step 3: Cross multiply
   5,663,142x = 12,227,868 × 12,227,868
4. Step 4: Simplify right side
   5,663,142x = 149,520,755,825,424
5. Step 5: Solve for x
   x = 149,520,755,825,424/5,663,142
6. Step 6: Final answer
   x = 26,402,438.05