Finding the Third Proportional to 520,839 and 1,141,389

Step by Step Solution

1. Step 1: Write the proportion equation
   520,839 : 1,141,389 = 1,141,389 : x
2. Step 2: Convert to fraction form
   520,839/1,141,389 = 1,141,389/x
3. Step 3: Cross multiply
   520,839x = 1,141,389 × 1,141,389
4. Step 4: Simplify right side
   520,839x = 1,302,768,849,321
5. Step 5: Solve for x
   x = 1,302,768,849,321/520,839
6. Step 6: Final answer
   x = 2,501,288.98