Finding the Third Proportional to 838,268 and 1,715,272

Step by Step Solution

1. Step 1: Write the proportion equation
   838,268 : 1,715,272 = 1,715,272 : x
2. Step 2: Convert to fraction form
   838,268/1,715,272 = 1,715,272/x
3. Step 3: Cross multiply
   838,268x = 1,715,272 × 1,715,272
4. Step 4: Simplify right side
   838,268x = 2,942,158,033,984
5. Step 5: Solve for x
   x = 2,942,158,033,984/838,268
6. Step 6: Final answer
   x = 3,509,805.97