Finding the Third Proportional to 269,991 and 402,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,991 : 402,799.50 = 402,799.50 : x
2. Step 2: Convert to fraction form
   269,991/402,799.50 = 402,799.50/x
3. Step 3: Cross multiply
   269,991x = 402,799.50 × 402,799.50
4. Step 4: Simplify right side
   269,991x = 162,247,437,200.25
5. Step 5: Solve for x
   x = 162,247,437,200.25/269,991
6. Step 6: Final answer
   x = 600,936.47