Finding the Third Proportional to 100,150.50 and 155,970

Step by Step Solution

1. Step 1: Write the proportion equation
   100,150.50 : 155,970 = 155,970 : x
2. Step 2: Convert to fraction form
   100,150.50/155,970 = 155,970/x
3. Step 3: Cross multiply
   100,150.50x = 155,970 × 155,970
4. Step 4: Simplify right side
   100,150.50x = 24,326,640,900
5. Step 5: Solve for x
   x = 24,326,640,900/100,150.50
6. Step 6: Final answer
   x = 242,900.84