Finding the Third Proportional to 77,247 and 100,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,247 : 100,723.50 = 100,723.50 : x
2. Step 2: Convert to fraction form
   77,247/100,723.50 = 100,723.50/x
3. Step 3: Cross multiply
   77,247x = 100,723.50 × 100,723.50
4. Step 4: Simplify right side
   77,247x = 10,145,223,452.25
5. Step 5: Solve for x
   x = 10,145,223,452.25/77,247
6. Step 6: Final answer
   x = 131,334.85