Finding the Third Proportional to 348,420 and 527,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   348,420 : 527,440.50 = 527,440.50 : x
2. Step 2: Convert to fraction form
   348,420/527,440.50 = 527,440.50/x
3. Step 3: Cross multiply
   348,420x = 527,440.50 × 527,440.50
4. Step 4: Simplify right side
   348,420x = 278,193,481,040.25
5. Step 5: Solve for x
   x = 278,193,481,040.25/348,420
6. Step 6: Final answer
   x = 798,442.92