Finding the Third Proportional to 534,804 and 802,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   534,804 : 802,321.50 = 802,321.50 : x
2. Step 2: Convert to fraction form
   534,804/802,321.50 = 802,321.50/x
3. Step 3: Cross multiply
   534,804x = 802,321.50 × 802,321.50
4. Step 4: Simplify right side
   534,804x = 643,719,789,362.25
5. Step 5: Solve for x
   x = 643,719,789,362.25/534,804
6. Step 6: Final answer
   x = 1,203,655.52