Finding the Third Proportional to 8,948,290 and 13,998,238

Step by Step Solution

1. Step 1: Write the proportion equation
   8,948,290 : 13,998,238 = 13,998,238 : x
2. Step 2: Convert to fraction form
   8,948,290/13,998,238 = 13,998,238/x
3. Step 3: Cross multiply
   8,948,290x = 13,998,238 × 13,998,238
4. Step 4: Simplify right side
   8,948,290x = 195,950,667,104,644
5. Step 5: Solve for x
   x = 195,950,667,104,644/8,948,290
6. Step 6: Final answer
   x = 21,898,113.17