Finding the Third Proportional to 505,067 and 841,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   505,067 : 841,678.50 = 841,678.50 : x
2. Step 2: Convert to fraction form
   505,067/841,678.50 = 841,678.50/x
3. Step 3: Cross multiply
   505,067x = 841,678.50 × 841,678.50
4. Step 4: Simplify right side
   505,067x = 708,422,697,362.25
5. Step 5: Solve for x
   x = 708,422,697,362.25/505,067
6. Step 6: Final answer
   x = 1,402,631.13