Finding the Third Proportional to 527,974 and 791,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   527,974 : 791,978.50 = 791,978.50 : x
2. Step 2: Convert to fraction form
   527,974/791,978.50 = 791,978.50/x
3. Step 3: Cross multiply
   527,974x = 791,978.50 × 791,978.50
4. Step 4: Simplify right side
   527,974x = 627,229,944,462.25
5. Step 5: Solve for x
   x = 627,229,944,462.25/527,974
6. Step 6: Final answer
   x = 1,187,994.00