Finding the Third Proportional to 55,468 and 85,258

Step by Step Solution

1. Step 1: Write the proportion equation
   55,468 : 85,258 = 85,258 : x
2. Step 2: Convert to fraction form
   55,468/85,258 = 85,258/x
3. Step 3: Cross multiply
   55,468x = 85,258 × 85,258
4. Step 4: Simplify right side
   55,468x = 7,268,926,564
5. Step 5: Solve for x
   x = 7,268,926,564/55,468
6. Step 6: Final answer
   x = 131,047.21