Finding the Third Proportional to 60,158 and 130,558

Step by Step Solution

1. Step 1: Write the proportion equation
   60,158 : 130,558 = 130,558 : x
2. Step 2: Convert to fraction form
   60,158/130,558 = 130,558/x
3. Step 3: Cross multiply
   60,158x = 130,558 × 130,558
4. Step 4: Simplify right side
   60,158x = 17,045,391,364
5. Step 5: Solve for x
   x = 17,045,391,364/60,158
6. Step 6: Final answer
   x = 283,343.72