Finding the Third Proportional to 505,358 and 1,105,670

Step by Step Solution

1. Step 1: Write the proportion equation
   505,358 : 1,105,670 = 1,105,670 : x
2. Step 2: Convert to fraction form
   505,358/1,105,670 = 1,105,670/x
3. Step 3: Cross multiply
   505,358x = 1,105,670 × 1,105,670
4. Step 4: Simplify right side
   505,358x = 1,222,506,148,900
5. Step 5: Solve for x
   x = 1,222,506,148,900/505,358
6. Step 6: Final answer
   x = 2,419,089.34