Finding the Third Proportional to 399,837 and 604,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   399,837 : 604,519.50 = 604,519.50 : x
2. Step 2: Convert to fraction form
   399,837/604,519.50 = 604,519.50/x
3. Step 3: Cross multiply
   399,837x = 604,519.50 × 604,519.50
4. Step 4: Simplify right side
   399,837x = 365,443,825,880.25
5. Step 5: Solve for x
   x = 365,443,825,880.25/399,837
6. Step 6: Final answer
   x = 913,982.01