Finding the Third Proportional to 376,308 and 804,988

Step by Step Solution

1. Step 1: Write the proportion equation
   376,308 : 804,988 = 804,988 : x
2. Step 2: Convert to fraction form
   376,308/804,988 = 804,988/x
3. Step 3: Cross multiply
   376,308x = 804,988 × 804,988
4. Step 4: Simplify right side
   376,308x = 648,005,680,144
5. Step 5: Solve for x
   x = 648,005,680,144/376,308
6. Step 6: Final answer
   x = 1,722,008.78