Finding the Third Proportional to 91,108.50 and 200,154

Step by Step Solution

1. Step 1: Write the proportion equation
   91,108.50 : 200,154 = 200,154 : x
2. Step 2: Convert to fraction form
   91,108.50/200,154 = 200,154/x
3. Step 3: Cross multiply
   91,108.50x = 200,154 × 200,154
4. Step 4: Simplify right side
   91,108.50x = 40,061,623,716
5. Step 5: Solve for x
   x = 40,061,623,716/91,108.50
6. Step 6: Final answer
   x = 439,713.35