Finding the Third Proportional to 380,367 and 803,180

Step by Step Solution

1. Step 1: Write the proportion equation
   380,367 : 803,180 = 803,180 : x
2. Step 2: Convert to fraction form
   380,367/803,180 = 803,180/x
3. Step 3: Cross multiply
   380,367x = 803,180 × 803,180
4. Step 4: Simplify right side
   380,367x = 645,098,112,400
5. Step 5: Solve for x
   x = 645,098,112,400/380,367
6. Step 6: Final answer
   x = 1,695,988.64