Finding the Third Proportional to 57,597 and 90,158

Step by Step Solution

1. Step 1: Write the proportion equation
   57,597 : 90,158 = 90,158 : x
2. Step 2: Convert to fraction form
   57,597/90,158 = 90,158/x
3. Step 3: Cross multiply
   57,597x = 90,158 × 90,158
4. Step 4: Simplify right side
   57,597x = 8,128,464,964
5. Step 5: Solve for x
   x = 8,128,464,964/57,597
6. Step 6: Final answer
   x = 141,126.53