Finding the Third Proportional to 13,744,540 and 20,196,078

Step by Step Solution

1. Step 1: Write the proportion equation
   13,744,540 : 20,196,078 = 20,196,078 : x
2. Step 2: Convert to fraction form
   13,744,540/20,196,078 = 20,196,078/x
3. Step 3: Cross multiply
   13,744,540x = 20,196,078 × 20,196,078
4. Step 4: Simplify right side
   13,744,540x = 407,881,566,582,084
5. Step 5: Solve for x
   x = 407,881,566,582,084/13,744,540
6. Step 6: Final answer
   x = 29,675,897.96