Finding the Third Proportional to 393,300 and 597,199.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,300 : 597,199.50 = 597,199.50 : x
2. Step 2: Convert to fraction form
   393,300/597,199.50 = 597,199.50/x
3. Step 3: Cross multiply
   393,300x = 597,199.50 × 597,199.50
4. Step 4: Simplify right side
   393,300x = 356,647,242,800.25
5. Step 5: Solve for x
   x = 356,647,242,800.25/393,300
6. Step 6: Final answer
   x = 906,807.13