Finding the Third Proportional to 53,505.50 and 79,488

Step by Step Solution

1. Step 1: Write the proportion equation
   53,505.50 : 79,488 = 79,488 : x
2. Step 2: Convert to fraction form
   53,505.50/79,488 = 79,488/x
3. Step 3: Cross multiply
   53,505.50x = 79,488 × 79,488
4. Step 4: Simplify right side
   53,505.50x = 6,318,342,144
5. Step 5: Solve for x
   x = 6,318,342,144/53,505.50
6. Step 6: Final answer
   x = 118,087.71