Finding the Third Proportional to 65,076.75 and 142,607.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,076.75 : 142,607.25 = 142,607.25 : x
2. Step 2: Convert to fraction form
   65,076.75/142,607.25 = 142,607.25/x
3. Step 3: Cross multiply
   65,076.75x = 142,607.25 × 142,607.25
4. Step 4: Simplify right side
   65,076.75x = 20,336,827,752.56
5. Step 5: Solve for x
   x = 20,336,827,752.56/65,076.75
6. Step 6: Final answer
   x = 312,505.28