Finding the Third Proportional to 53,059.64 and 80,272.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,059.64 : 80,272.69 = 80,272.69 : x
2. Step 2: Convert to fraction form
   53,059.64/80,272.69 = 80,272.69/x
3. Step 3: Cross multiply
   53,059.64x = 80,272.69 × 80,272.69
4. Step 4: Simplify right side
   53,059.64x = 6,443,704,358.47
5. Step 5: Solve for x
   x = 6,443,704,358.47/53,059.64
6. Step 6: Final answer
   x = 121,442.67