Finding the Third Proportional to 59,784 and 90,124

Step by Step Solution

1. Step 1: Write the proportion equation
   59,784 : 90,124 = 90,124 : x
2. Step 2: Convert to fraction form
   59,784/90,124 = 90,124/x
3. Step 3: Cross multiply
   59,784x = 90,124 × 90,124
4. Step 4: Simplify right side
   59,784x = 8,122,335,376
5. Step 5: Solve for x
   x = 8,122,335,376/59,784
6. Step 6: Final answer
   x = 135,861.36