Finding the Third Proportional to 53,931.94 and 84,418.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,931.94 : 84,418.88 = 84,418.88 : x
2. Step 2: Convert to fraction form
   53,931.94/84,418.88 = 84,418.88/x
3. Step 3: Cross multiply
   53,931.94x = 84,418.88 × 84,418.88
4. Step 4: Simplify right side
   53,931.94x = 7,126,546,456.27
5. Step 5: Solve for x
   x = 7,126,546,456.27/53,931.94
6. Step 6: Final answer
   x = 132,139.63