Finding the Third Proportional to 53,979.75 and 75,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,979.75 : 75,505.50 = 75,505.50 : x
2. Step 2: Convert to fraction form
   53,979.75/75,505.50 = 75,505.50/x
3. Step 3: Cross multiply
   53,979.75x = 75,505.50 × 75,505.50
4. Step 4: Simplify right side
   53,979.75x = 5,701,080,530.25
5. Step 5: Solve for x
   x = 5,701,080,530.25/53,979.75
6. Step 6: Final answer
   x = 105,615.17