Finding the Third Proportional to 396,051.50 and 851,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   396,051.50 : 851,802.50 = 851,802.50 : x
2. Step 2: Convert to fraction form
   396,051.50/851,802.50 = 851,802.50/x
3. Step 3: Cross multiply
   396,051.50x = 851,802.50 × 851,802.50
4. Step 4: Simplify right side
   396,051.50x = 725,567,499,006.25
5. Step 5: Solve for x
   x = 725,567,499,006.25/396,051.50
6. Step 6: Final answer
   x = 1,832,002.91