Finding the Third Proportional to 588,789 and 906,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   588,789 : 906,268.50 = 906,268.50 : x
2. Step 2: Convert to fraction form
   588,789/906,268.50 = 906,268.50/x
3. Step 3: Cross multiply
   588,789x = 906,268.50 × 906,268.50
4. Step 4: Simplify right side
   588,789x = 821,322,594,092.25
5. Step 5: Solve for x
   x = 821,322,594,092.25/588,789
6. Step 6: Final answer
   x = 1,394,935.36