Finding the Third Proportional to 250,710 and 536,412

Step by Step Solution

1. Step 1: Write the proportion equation
   250,710 : 536,412 = 536,412 : x
2. Step 2: Convert to fraction form
   250,710/536,412 = 536,412/x
3. Step 3: Cross multiply
   250,710x = 536,412 × 536,412
4. Step 4: Simplify right side
   250,710x = 287,737,833,744
5. Step 5: Solve for x
   x = 287,737,833,744/250,710
6. Step 6: Final answer
   x = 1,147,691.89