Finding the Third Proportional to 90,769 and 141,126

Step by Step Solution

1. Step 1: Write the proportion equation
   90,769 : 141,126 = 141,126 : x
2. Step 2: Convert to fraction form
   90,769/141,126 = 141,126/x
3. Step 3: Cross multiply
   90,769x = 141,126 × 141,126
4. Step 4: Simplify right side
   90,769x = 19,916,547,876
5. Step 5: Solve for x
   x = 19,916,547,876/90,769
6. Step 6: Final answer
   x = 219,420.15