Finding the Third Proportional to 806,575.50 and 1,238,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   806,575.50 : 1,238,062.50 = 1,238,062.50 : x
2. Step 2: Convert to fraction form
   806,575.50/1,238,062.50 = 1,238,062.50/x
3. Step 3: Cross multiply
   806,575.50x = 1,238,062.50 × 1,238,062.50
4. Step 4: Simplify right side
   806,575.50x = 1,532,798,753,906.25
5. Step 5: Solve for x
   x = 1,532,798,753,906.25/806,575.50
6. Step 6: Final answer
   x = 1,900,378.52