Finding the Third Proportional to 53,608.31 and 78,853.31

Step by Step Solution

1. Step 1: Write the proportion equation
   53,608.31 : 78,853.31 = 78,853.31 : x
2. Step 2: Convert to fraction form
   53,608.31/78,853.31 = 78,853.31/x
3. Step 3: Cross multiply
   53,608.31x = 78,853.31 × 78,853.31
4. Step 4: Simplify right side
   53,608.31x = 6,217,844,892.22
5. Step 5: Solve for x
   x = 6,217,844,892.22/53,608.31
6. Step 6: Final answer
   x = 115,986.58