Finding the Third Proportional to 373,491 and 571,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,491 : 571,171.50 = 571,171.50 : x
2. Step 2: Convert to fraction form
   373,491/571,171.50 = 571,171.50/x
3. Step 3: Cross multiply
   373,491x = 571,171.50 × 571,171.50
4. Step 4: Simplify right side
   373,491x = 326,236,882,412.25
5. Step 5: Solve for x
   x = 326,236,882,412.25/373,491
6. Step 6: Final answer
   x = 873,479.90