Finding the Third Proportional to 154,665 and 235,237.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,665 : 235,237.50 = 235,237.50 : x
2. Step 2: Convert to fraction form
   154,665/235,237.50 = 235,237.50/x
3. Step 3: Cross multiply
   154,665x = 235,237.50 × 235,237.50
4. Step 4: Simplify right side
   154,665x = 55,336,681,406.25
5. Step 5: Solve for x
   x = 55,336,681,406.25/154,665
6. Step 6: Final answer
   x = 357,784.12