Finding the Third Proportional to 156,541.50 and 335,219.25

Step by Step Solution

1. Step 1: Write the proportion equation
   156,541.50 : 335,219.25 = 335,219.25 : x
2. Step 2: Convert to fraction form
   156,541.50/335,219.25 = 335,219.25/x
3. Step 3: Cross multiply
   156,541.50x = 335,219.25 × 335,219.25
4. Step 4: Simplify right side
   156,541.50x = 112,371,945,570.56
5. Step 5: Solve for x
   x = 112,371,945,570.56/156,541.50
6. Step 6: Final answer
   x = 717,841.25