Finding the Third Proportional to 90,274.50 and 191,646

Step by Step Solution

1. Step 1: Write the proportion equation
   90,274.50 : 191,646 = 191,646 : x
2. Step 2: Convert to fraction form
   90,274.50/191,646 = 191,646/x
3. Step 3: Cross multiply
   90,274.50x = 191,646 × 191,646
4. Step 4: Simplify right side
   90,274.50x = 36,728,189,316
5. Step 5: Solve for x
   x = 36,728,189,316/90,274.50
6. Step 6: Final answer
   x = 406,850.10