Finding the Third Proportional to 520,866 and 1,115,460

Step by Step Solution

1. Step 1: Write the proportion equation
   520,866 : 1,115,460 = 1,115,460 : x
2. Step 2: Convert to fraction form
   520,866/1,115,460 = 1,115,460/x
3. Step 3: Cross multiply
   520,866x = 1,115,460 × 1,115,460
4. Step 4: Simplify right side
   520,866x = 1,244,251,011,600
5. Step 5: Solve for x
   x = 1,244,251,011,600/520,866
6. Step 6: Final answer
   x = 2,388,812.12