Finding the Third Proportional to 13,676,238 and 21,655,980

Step by Step Solution

1. Step 1: Write the proportion equation
   13,676,238 : 21,655,980 = 21,655,980 : x
2. Step 2: Convert to fraction form
   13,676,238/21,655,980 = 21,655,980/x
3. Step 3: Cross multiply
   13,676,238x = 21,655,980 × 21,655,980
4. Step 4: Simplify right side
   13,676,238x = 468,981,469,760,400
5. Step 5: Solve for x
   x = 468,981,469,760,400/13,676,238
6. Step 6: Final answer
   x = 34,291,701.40