Finding the Third Proportional to 62,978.25 and 133,065.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.25 : 133,065.75 = 133,065.75 : x
2. Step 2: Convert to fraction form
   62,978.25/133,065.75 = 133,065.75/x
3. Step 3: Cross multiply
   62,978.25x = 133,065.75 × 133,065.75
4. Step 4: Simplify right side
   62,978.25x = 17,706,493,823.06
5. Step 5: Solve for x
   x = 17,706,493,823.06/62,978.25
6. Step 6: Final answer
   x = 281,152.52