Finding the Third Proportional to 91,877.50 and 138,354

Step by Step Solution

1. Step 1: Write the proportion equation
   91,877.50 : 138,354 = 138,354 : x
2. Step 2: Convert to fraction form
   91,877.50/138,354 = 138,354/x
3. Step 3: Cross multiply
   91,877.50x = 138,354 × 138,354
4. Step 4: Simplify right side
   91,877.50x = 19,141,829,316
5. Step 5: Solve for x
   x = 19,141,829,316/91,877.50
6. Step 6: Final answer
   x = 208,340.77