Finding the Third Proportional to 59,385 and 130,434

Step by Step Solution

1. Step 1: Write the proportion equation
   59,385 : 130,434 = 130,434 : x
2. Step 2: Convert to fraction form
   59,385/130,434 = 130,434/x
3. Step 3: Cross multiply
   59,385x = 130,434 × 130,434
4. Step 4: Simplify right side
   59,385x = 17,013,028,356
5. Step 5: Solve for x
   x = 17,013,028,356/59,385
6. Step 6: Final answer
   x = 286,486.96