Finding the Third Proportional to 509,402 and 1,107,252

Step by Step Solution

1. Step 1: Write the proportion equation
   509,402 : 1,107,252 = 1,107,252 : x
2. Step 2: Convert to fraction form
   509,402/1,107,252 = 1,107,252/x
3. Step 3: Cross multiply
   509,402x = 1,107,252 × 1,107,252
4. Step 4: Simplify right side
   509,402x = 1,226,006,991,504
5. Step 5: Solve for x
   x = 1,226,006,991,504/509,402
6. Step 6: Final answer
   x = 2,406,757.32