Finding the Third Proportional to 809,316 and 1,772,820

Step by Step Solution

1. Step 1: Write the proportion equation
   809,316 : 1,772,820 = 1,772,820 : x
2. Step 2: Convert to fraction form
   809,316/1,772,820 = 1,772,820/x
3. Step 3: Cross multiply
   809,316x = 1,772,820 × 1,772,820
4. Step 4: Simplify right side
   809,316x = 3,142,890,752,400
5. Step 5: Solve for x
   x = 3,142,890,752,400/809,316
6. Step 6: Final answer
   x = 3,883,391.35