Finding the Third Proportional to 156,100.50 and 335,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,100.50 : 335,866.50 = 335,866.50 : x
2. Step 2: Convert to fraction form
   156,100.50/335,866.50 = 335,866.50/x
3. Step 3: Cross multiply
   156,100.50x = 335,866.50 × 335,866.50
4. Step 4: Simplify right side
   156,100.50x = 112,806,305,822.25
5. Step 5: Solve for x
   x = 112,806,305,822.25/156,100.50
6. Step 6: Final answer
   x = 722,651.79