Finding the Third Proportional to 156,145.50 and 335,970

Step by Step Solution

1. Step 1: Write the proportion equation
   156,145.50 : 335,970 = 335,970 : x
2. Step 2: Convert to fraction form
   156,145.50/335,970 = 335,970/x
3. Step 3: Cross multiply
   156,145.50x = 335,970 × 335,970
4. Step 4: Simplify right side
   156,145.50x = 112,875,840,900
5. Step 5: Solve for x
   x = 112,875,840,900/156,145.50
6. Step 6: Final answer
   x = 722,888.85