Finding the Third Proportional to 90,253.50 and 140,316

Step by Step Solution

1. Step 1: Write the proportion equation
   90,253.50 : 140,316 = 140,316 : x
2. Step 2: Convert to fraction form
   90,253.50/140,316 = 140,316/x
3. Step 3: Cross multiply
   90,253.50x = 140,316 × 140,316
4. Step 4: Simplify right side
   90,253.50x = 19,688,579,856
5. Step 5: Solve for x
   x = 19,688,579,856/90,253.50
6. Step 6: Final answer
   x = 218,147.55