Finding the Third Proportional to 59,391 and 130,446

Step by Step Solution

1. Step 1: Write the proportion equation
   59,391 : 130,446 = 130,446 : x
2. Step 2: Convert to fraction form
   59,391/130,446 = 130,446/x
3. Step 3: Cross multiply
   59,391x = 130,446 × 130,446
4. Step 4: Simplify right side
   59,391x = 17,016,158,916
5. Step 5: Solve for x
   x = 17,016,158,916/59,391
6. Step 6: Final answer
   x = 286,510.73