Finding the Third Proportional to 53,659.69 and 84,948.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,659.69 : 84,948.75 = 84,948.75 : x
2. Step 2: Convert to fraction form
   53,659.69/84,948.75 = 84,948.75/x
3. Step 3: Cross multiply
   53,659.69x = 84,948.75 × 84,948.75
4. Step 4: Simplify right side
   53,659.69x = 7,216,290,126.56
5. Step 5: Solve for x
   x = 7,216,290,126.56/53,659.69
6. Step 6: Final answer
   x = 134,482.52