Finding the Third Proportional to 156,262.50 and 240,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,262.50 : 240,880.50 = 240,880.50 : x
2. Step 2: Convert to fraction form
   156,262.50/240,880.50 = 240,880.50/x
3. Step 3: Cross multiply
   156,262.50x = 240,880.50 × 240,880.50
4. Step 4: Simplify right side
   156,262.50x = 58,023,415,280.25
5. Step 5: Solve for x
   x = 58,023,415,280.25/156,262.50
6. Step 6: Final answer
   x = 371,320.15