Finding the Third Proportional to 53,289 and 79,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,289 : 79,567.50 = 79,567.50 : x
2. Step 2: Convert to fraction form
   53,289/79,567.50 = 79,567.50/x
3. Step 3: Cross multiply
   53,289x = 79,567.50 × 79,567.50
4. Step 4: Simplify right side
   53,289x = 6,330,987,056.25
5. Step 5: Solve for x
   x = 6,330,987,056.25/53,289
6. Step 6: Final answer
   x = 118,804.76