Finding the Third Proportional to 74,562.75 and 163,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,562.75 : 163,300.50 = 163,300.50 : x
2. Step 2: Convert to fraction form
   74,562.75/163,300.50 = 163,300.50/x
3. Step 3: Cross multiply
   74,562.75x = 163,300.50 × 163,300.50
4. Step 4: Simplify right side
   74,562.75x = 26,667,053,300.25
5. Step 5: Solve for x
   x = 26,667,053,300.25/74,562.75
6. Step 6: Final answer
   x = 357,645.79