Finding the Third Proportional to 13,897,175 and 20,048,509

Step by Step Solution

1. Step 1: Write the proportion equation
   13,897,175 : 20,048,509 = 20,048,509 : x
2. Step 2: Convert to fraction form
   13,897,175/20,048,509 = 20,048,509/x
3. Step 3: Cross multiply
   13,897,175x = 20,048,509 × 20,048,509
4. Step 4: Simplify right side
   13,897,175x = 401,942,713,123,081
5. Step 5: Solve for x
   x = 401,942,713,123,081/13,897,175
6. Step 6: Final answer
   x = 28,922,620.11