Finding the Third Proportional to 506,870 and 1,178,600

Step by Step Solution

1. Step 1: Write the proportion equation
   506,870 : 1,178,600 = 1,178,600 : x
2. Step 2: Convert to fraction form
   506,870/1,178,600 = 1,178,600/x
3. Step 3: Cross multiply
   506,870x = 1,178,600 × 1,178,600
4. Step 4: Simplify right side
   506,870x = 1,389,097,960,000
5. Step 5: Solve for x
   x = 1,389,097,960,000/506,870
6. Step 6: Final answer
   x = 2,740,540.89