Finding the Third Proportional to 90,774 and 140,877

Step by Step Solution

1. Step 1: Write the proportion equation
   90,774 : 140,877 = 140,877 : x
2. Step 2: Convert to fraction form
   90,774/140,877 = 140,877/x
3. Step 3: Cross multiply
   90,774x = 140,877 × 140,877
4. Step 4: Simplify right side
   90,774x = 19,846,329,129
5. Step 5: Solve for x
   x = 19,846,329,129/90,774
6. Step 6: Final answer
   x = 218,634.51