Finding the Third Proportional to 42,329.74 and 65,392.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,329.74 : 65,392.15 = 65,392.15 : x
2. Step 2: Convert to fraction form
   42,329.74/65,392.15 = 65,392.15/x
3. Step 3: Cross multiply
   42,329.74x = 65,392.15 × 65,392.15
4. Step 4: Simplify right side
   42,329.74x = 4,276,133,843.59
5. Step 5: Solve for x
   x = 4,276,133,843.59/42,329.74
6. Step 6: Final answer
   x = 101,019.60