Finding the Third Proportional to 59,714 and 90,243

Step by Step Solution

1. Step 1: Write the proportion equation
   59,714 : 90,243 = 90,243 : x
2. Step 2: Convert to fraction form
   59,714/90,243 = 90,243/x
3. Step 3: Cross multiply
   59,714x = 90,243 × 90,243
4. Step 4: Simplify right side
   59,714x = 8,143,799,049
5. Step 5: Solve for x
   x = 8,143,799,049/59,714
6. Step 6: Final answer
   x = 136,380.06