Finding the Third Proportional to 809,886 and 1,772,300

Step by Step Solution

1. Step 1: Write the proportion equation
   809,886 : 1,772,300 = 1,772,300 : x
2. Step 2: Convert to fraction form
   809,886/1,772,300 = 1,772,300/x
3. Step 3: Cross multiply
   809,886x = 1,772,300 × 1,772,300
4. Step 4: Simplify right side
   809,886x = 3,141,047,290,000
5. Step 5: Solve for x
   x = 3,141,047,290,000/809,886
6. Step 6: Final answer
   x = 3,878,382.01