Finding the Third Proportional to 249,196 and 531,012

Step by Step Solution

1. Step 1: Write the proportion equation
   249,196 : 531,012 = 531,012 : x
2. Step 2: Convert to fraction form
   249,196/531,012 = 531,012/x
3. Step 3: Cross multiply
   249,196x = 531,012 × 531,012
4. Step 4: Simplify right side
   249,196x = 281,973,744,144
5. Step 5: Solve for x
   x = 281,973,744,144/249,196
6. Step 6: Final answer
   x = 1,131,533.99