Finding the Third Proportional to 158,913 and 235,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,913 : 235,620.50 = 235,620.50 : x
2. Step 2: Convert to fraction form
   158,913/235,620.50 = 235,620.50/x
3. Step 3: Cross multiply
   158,913x = 235,620.50 × 235,620.50
4. Step 4: Simplify right side
   158,913x = 55,517,020,020.25
5. Step 5: Solve for x
   x = 55,517,020,020.25/158,913
6. Step 6: Final answer
   x = 349,354.80