Finding the Third Proportional to 61,386 and 131,484

Step by Step Solution

1. Step 1: Write the proportion equation
   61,386 : 131,484 = 131,484 : x
2. Step 2: Convert to fraction form
   61,386/131,484 = 131,484/x
3. Step 3: Cross multiply
   61,386x = 131,484 × 131,484
4. Step 4: Simplify right side
   61,386x = 17,288,042,256
5. Step 5: Solve for x
   x = 17,288,042,256/61,386
6. Step 6: Final answer
   x = 281,628.42