Finding the Third Proportional to 574,431 and 804,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,431 : 804,958.50 = 804,958.50 : x
2. Step 2: Convert to fraction form
   574,431/804,958.50 = 804,958.50/x
3. Step 3: Cross multiply
   574,431x = 804,958.50 × 804,958.50
4. Step 4: Simplify right side
   574,431x = 647,958,186,722.25
5. Step 5: Solve for x
   x = 647,958,186,722.25/574,431
6. Step 6: Final answer
   x = 1,128,000.03