Finding the Third Proportional to 58,530 and 85,434

Step by Step Solution

1. Step 1: Write the proportion equation
   58,530 : 85,434 = 85,434 : x
2. Step 2: Convert to fraction form
   58,530/85,434 = 85,434/x
3. Step 3: Cross multiply
   58,530x = 85,434 × 85,434
4. Step 4: Simplify right side
   58,530x = 7,298,968,356
5. Step 5: Solve for x
   x = 7,298,968,356/58,530
6. Step 6: Final answer
   x = 124,704.74