Finding the Third Proportional to 91,876 and 141,810

Step by Step Solution

1. Step 1: Write the proportion equation
   91,876 : 141,810 = 141,810 : x
2. Step 2: Convert to fraction form
   91,876/141,810 = 141,810/x
3. Step 3: Cross multiply
   91,876x = 141,810 × 141,810
4. Step 4: Simplify right side
   91,876x = 20,110,076,100
5. Step 5: Solve for x
   x = 20,110,076,100/91,876
6. Step 6: Final answer
   x = 218,882.80