Finding the Third Proportional to 393,832.69 and 802,111.22

Step by Step Solution

1. Step 1: Write the proportion equation
   393,832.69 : 802,111.22 = 802,111.22 : x
2. Step 2: Convert to fraction form
   393,832.69/802,111.22 = 802,111.22/x
3. Step 3: Cross multiply
   393,832.69x = 802,111.22 × 802,111.22
4. Step 4: Simplify right side
   393,832.69x = 643,382,407,244.61
5. Step 5: Solve for x
   x = 643,382,407,244.61/393,832.69
6. Step 6: Final answer
   x = 1,633,644.00