Finding the Third Proportional to 91,772.75 and 188,487.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,772.75 : 188,487.25 = 188,487.25 : x
2. Step 2: Convert to fraction form
   91,772.75/188,487.25 = 188,487.25/x
3. Step 3: Cross multiply
   91,772.75x = 188,487.25 × 188,487.25
4. Step 4: Simplify right side
   91,772.75x = 35,527,443,412.56
5. Step 5: Solve for x
   x = 35,527,443,412.56/91,772.75
6. Step 6: Final answer
   x = 387,124.10