Finding the Third Proportional to 91,775.25 and 188,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,775.25 : 188,491.50 = 188,491.50 : x
2. Step 2: Convert to fraction form
   91,775.25/188,491.50 = 188,491.50/x
3. Step 3: Cross multiply
   91,775.25x = 188,491.50 × 188,491.50
4. Step 4: Simplify right side
   91,775.25x = 35,529,045,572.25
5. Step 5: Solve for x
   x = 35,529,045,572.25/91,775.25
6. Step 6: Final answer
   x = 387,131.01