Finding the Third Proportional to 91,874 and 141,807

Step by Step Solution

1. Step 1: Write the proportion equation
   91,874 : 141,807 = 141,807 : x
2. Step 2: Convert to fraction form
   91,874/141,807 = 141,807/x
3. Step 3: Cross multiply
   91,874x = 141,807 × 141,807
4. Step 4: Simplify right side
   91,874x = 20,109,225,249
5. Step 5: Solve for x
   x = 20,109,225,249/91,874
6. Step 6: Final answer
   x = 218,878.30