Finding the Third Proportional to 367,800 and 772,680

Step by Step Solution

1. Step 1: Write the proportion equation
   367,800 : 772,680 = 772,680 : x
2. Step 2: Convert to fraction form
   367,800/772,680 = 772,680/x
3. Step 3: Cross multiply
   367,800x = 772,680 × 772,680
4. Step 4: Simplify right side
   367,800x = 597,034,382,400
5. Step 5: Solve for x
   x = 597,034,382,400/367,800
6. Step 6: Final answer
   x = 1,623,258.24