Finding the Third Proportional to 59,654 and 89,478

Step by Step Solution

1. Step 1: Write the proportion equation
   59,654 : 89,478 = 89,478 : x
2. Step 2: Convert to fraction form
   59,654/89,478 = 89,478/x
3. Step 3: Cross multiply
   59,654x = 89,478 × 89,478
4. Step 4: Simplify right side
   59,654x = 8,006,312,484
5. Step 5: Solve for x
   x = 8,006,312,484/59,654
6. Step 6: Final answer
   x = 134,212.50