Finding the Third Proportional to 803,914.50 and 1,279,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   803,914.50 : 1,279,672.50 = 1,279,672.50 : x
2. Step 2: Convert to fraction form
   803,914.50/1,279,672.50 = 1,279,672.50/x
3. Step 3: Cross multiply
   803,914.50x = 1,279,672.50 × 1,279,672.50
4. Step 4: Simplify right side
   803,914.50x = 1,637,561,707,256.25
5. Step 5: Solve for x
   x = 1,637,561,707,256.25/803,914.50
6. Step 6: Final answer
   x = 2,036,984.91