Finding the Third Proportional to 57,071.25 and 83,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,071.25 : 83,416.50 = 83,416.50 : x
2. Step 2: Convert to fraction form
   57,071.25/83,416.50 = 83,416.50/x
3. Step 3: Cross multiply
   57,071.25x = 83,416.50 × 83,416.50
4. Step 4: Simplify right side
   57,071.25x = 6,958,312,472.25
5. Step 5: Solve for x
   x = 6,958,312,472.25/57,071.25
6. Step 6: Final answer
   x = 121,923.25