Finding the Third Proportional to 520,870 and 1,115,468

Step by Step Solution

1. Step 1: Write the proportion equation
   520,870 : 1,115,468 = 1,115,468 : x
2. Step 2: Convert to fraction form
   520,870/1,115,468 = 1,115,468/x
3. Step 3: Cross multiply
   520,870x = 1,115,468 × 1,115,468
4. Step 4: Simplify right side
   520,870x = 1,244,268,859,024
5. Step 5: Solve for x
   x = 1,244,268,859,024/520,870
6. Step 6: Final answer
   x = 2,388,828.04