Finding the Third Proportional to 801,405 and 1,248,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   801,405 : 1,248,061.50 = 1,248,061.50 : x
2. Step 2: Convert to fraction form
   801,405/1,248,061.50 = 1,248,061.50/x
3. Step 3: Cross multiply
   801,405x = 1,248,061.50 × 1,248,061.50
4. Step 4: Simplify right side
   801,405x = 1,557,657,507,782.25
5. Step 5: Solve for x
   x = 1,557,657,507,782.25/801,405
6. Step 6: Final answer
   x = 1,943,658.33