Finding the Third Proportional to 60,723 and 91,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,723 : 91,931.50 = 91,931.50 : x
2. Step 2: Convert to fraction form
   60,723/91,931.50 = 91,931.50/x
3. Step 3: Cross multiply
   60,723x = 91,931.50 × 91,931.50
4. Step 4: Simplify right side
   60,723x = 8,451,400,692.25
5. Step 5: Solve for x
   x = 8,451,400,692.25/60,723
6. Step 6: Final answer
   x = 139,179.56