Finding the Third Proportional to 155,535 and 240,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,535 : 240,172.50 = 240,172.50 : x
2. Step 2: Convert to fraction form
   155,535/240,172.50 = 240,172.50/x
3. Step 3: Cross multiply
   155,535x = 240,172.50 × 240,172.50
4. Step 4: Simplify right side
   155,535x = 57,682,829,756.25
5. Step 5: Solve for x
   x = 57,682,829,756.25/155,535
6. Step 6: Final answer
   x = 370,867.20