Finding the Third Proportional to 59,112 and 89,281

Step by Step Solution

1. Step 1: Write the proportion equation
   59,112 : 89,281 = 89,281 : x
2. Step 2: Convert to fraction form
   59,112/89,281 = 89,281/x
3. Step 3: Cross multiply
   59,112x = 89,281 × 89,281
4. Step 4: Simplify right side
   59,112x = 7,971,096,961
5. Step 5: Solve for x
   x = 7,971,096,961/59,112
6. Step 6: Final answer
   x = 134,847.36