Finding the Third Proportional to 147,948 and 240,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,948 : 240,364.50 = 240,364.50 : x
2. Step 2: Convert to fraction form
   147,948/240,364.50 = 240,364.50/x
3. Step 3: Cross multiply
   147,948x = 240,364.50 × 240,364.50
4. Step 4: Simplify right side
   147,948x = 57,775,092,860.25
5. Step 5: Solve for x
   x = 57,775,092,860.25/147,948
6. Step 6: Final answer
   x = 390,509.46