Finding the Third Proportional to 155,718 and 240,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,718 : 240,583.50 = 240,583.50 : x
2. Step 2: Convert to fraction form
   155,718/240,583.50 = 240,583.50/x
3. Step 3: Cross multiply
   155,718x = 240,583.50 × 240,583.50
4. Step 4: Simplify right side
   155,718x = 57,880,420,472.25
5. Step 5: Solve for x
   x = 57,880,420,472.25/155,718
6. Step 6: Final answer
   x = 371,700.26