Finding the Third Proportional to 535,681 and 810,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,681 : 810,433.50 = 810,433.50 : x
2. Step 2: Convert to fraction form
   535,681/810,433.50 = 810,433.50/x
3. Step 3: Cross multiply
   535,681x = 810,433.50 × 810,433.50
4. Step 4: Simplify right side
   535,681x = 656,802,457,922.25
5. Step 5: Solve for x
   x = 656,802,457,922.25/535,681
6. Step 6: Final answer
   x = 1,226,107.44