Finding the Third Proportional to 579,727.50 and 801,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   579,727.50 : 801,055.50 = 801,055.50 : x
2. Step 2: Convert to fraction form
   579,727.50/801,055.50 = 801,055.50/x
3. Step 3: Cross multiply
   579,727.50x = 801,055.50 × 801,055.50
4. Step 4: Simplify right side
   579,727.50x = 641,689,914,080.25
5. Step 5: Solve for x
   x = 641,689,914,080.25/579,727.50
6. Step 6: Final answer
   x = 1,106,881.96