Finding the Third Proportional to 90,504 and 191,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,504 : 191,191.50 = 191,191.50 : x
2. Step 2: Convert to fraction form
   90,504/191,191.50 = 191,191.50/x
3. Step 3: Cross multiply
   90,504x = 191,191.50 × 191,191.50
4. Step 4: Simplify right side
   90,504x = 36,554,189,672.25
5. Step 5: Solve for x
   x = 36,554,189,672.25/90,504
6. Step 6: Final answer
   x = 403,895.85