Finding the Third Proportional to 155,148 and 229,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,148 : 229,816.50 = 229,816.50 : x
2. Step 2: Convert to fraction form
   155,148/229,816.50 = 229,816.50/x
3. Step 3: Cross multiply
   155,148x = 229,816.50 × 229,816.50
4. Step 4: Simplify right side
   155,148x = 52,815,623,672.25
5. Step 5: Solve for x
   x = 52,815,623,672.25/155,148
6. Step 6: Final answer
   x = 340,420.91