Finding the Third Proportional to 509,402 and 1,107,262

Step by Step Solution

1. Step 1: Write the proportion equation
   509,402 : 1,107,262 = 1,107,262 : x
2. Step 2: Convert to fraction form
   509,402/1,107,262 = 1,107,262/x
3. Step 3: Cross multiply
   509,402x = 1,107,262 × 1,107,262
4. Step 4: Simplify right side
   509,402x = 1,226,029,136,644
5. Step 5: Solve for x
   x = 1,226,029,136,644/509,402
6. Step 6: Final answer
   x = 2,406,800.79