Finding the Third Proportional to 156,151.50 and 335,988

Step by Step Solution

1. Step 1: Write the proportion equation
   156,151.50 : 335,988 = 335,988 : x
2. Step 2: Convert to fraction form
   156,151.50/335,988 = 335,988/x
3. Step 3: Cross multiply
   156,151.50x = 335,988 × 335,988
4. Step 4: Simplify right side
   156,151.50x = 112,887,936,144
5. Step 5: Solve for x
   x = 112,887,936,144/156,151.50
6. Step 6: Final answer
   x = 722,938.53