Finding the Third Proportional to 604,345.50 and 906,518

Step by Step Solution

1. Step 1: Write the proportion equation
   604,345.50 : 906,518 = 906,518 : x
2. Step 2: Convert to fraction form
   604,345.50/906,518 = 906,518/x
3. Step 3: Cross multiply
   604,345.50x = 906,518 × 906,518
4. Step 4: Simplify right side
   604,345.50x = 821,774,884,324
5. Step 5: Solve for x
   x = 821,774,884,324/604,345.50
6. Step 6: Final answer
   x = 1,359,776.63