Finding the Third Proportional to 124,071.75 and 262,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,071.75 : 262,768.50 = 262,768.50 : x
2. Step 2: Convert to fraction form
   124,071.75/262,768.50 = 262,768.50/x
3. Step 3: Cross multiply
   124,071.75x = 262,768.50 × 262,768.50
4. Step 4: Simplify right side
   124,071.75x = 69,047,284,592.25
5. Step 5: Solve for x
   x = 69,047,284,592.25/124,071.75
6. Step 6: Final answer
   x = 556,510.93