Finding the Third Proportional to 156,804 and 344,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,804 : 344,821.50 = 344,821.50 : x
2. Step 2: Convert to fraction form
   156,804/344,821.50 = 344,821.50/x
3. Step 3: Cross multiply
   156,804x = 344,821.50 × 344,821.50
4. Step 4: Simplify right side
   156,804x = 118,901,866,862.25
5. Step 5: Solve for x
   x = 118,901,866,862.25/156,804
6. Step 6: Final answer
   x = 758,283.38