Finding the Third Proportional to 373,980 and 822,726

Step by Step Solution

1. Step 1: Write the proportion equation
   373,980 : 822,726 = 822,726 : x
2. Step 2: Convert to fraction form
   373,980/822,726 = 822,726/x
3. Step 3: Cross multiply
   373,980x = 822,726 × 822,726
4. Step 4: Simplify right side
   373,980x = 676,878,071,076
5. Step 5: Solve for x
   x = 676,878,071,076/373,980
6. Step 6: Final answer
   x = 1,809,931.20