Finding the Third Proportional to 347,452 and 522,012

Step by Step Solution

1. Step 1: Write the proportion equation
   347,452 : 522,012 = 522,012 : x
2. Step 2: Convert to fraction form
   347,452/522,012 = 522,012/x
3. Step 3: Cross multiply
   347,452x = 522,012 × 522,012
4. Step 4: Simplify right side
   347,452x = 272,496,528,144
5. Step 5: Solve for x
   x = 272,496,528,144/347,452
6. Step 6: Final answer
   x = 784,271.00