Finding the Third Proportional to 45,839.63 and 72,939.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,839.63 : 72,939.75 = 72,939.75 : x
2. Step 2: Convert to fraction form
   45,839.63/72,939.75 = 72,939.75/x
3. Step 3: Cross multiply
   45,839.63x = 72,939.75 × 72,939.75
4. Step 4: Simplify right side
   45,839.63x = 5,320,207,130.06
5. Step 5: Solve for x
   x = 5,320,207,130.06/45,839.63
6. Step 6: Final answer
   x = 116,061.31