Finding the Third Proportional to 53,228.25 and 83,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,228.25 : 83,499.50 = 83,499.50 : x
2. Step 2: Convert to fraction form
   53,228.25/83,499.50 = 83,499.50/x
3. Step 3: Cross multiply
   53,228.25x = 83,499.50 × 83,499.50
4. Step 4: Simplify right side
   53,228.25x = 6,972,166,500.25
5. Step 5: Solve for x
   x = 6,972,166,500.25/53,228.25
6. Step 6: Final answer
   x = 130,986.21