Finding the Third Proportional to 55,812 and 86,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,812 : 86,323.50 = 86,323.50 : x
2. Step 2: Convert to fraction form
   55,812/86,323.50 = 86,323.50/x
3. Step 3: Cross multiply
   55,812x = 86,323.50 × 86,323.50
4. Step 4: Simplify right side
   55,812x = 7,451,746,652.25
5. Step 5: Solve for x
   x = 7,451,746,652.25/55,812
6. Step 6: Final answer
   x = 133,515.13