Finding the Third Proportional to 215,272 and 469,298

Step by Step Solution

1. Step 1: Write the proportion equation
   215,272 : 469,298 = 469,298 : x
2. Step 2: Convert to fraction form
   215,272/469,298 = 469,298/x
3. Step 3: Cross multiply
   215,272x = 469,298 × 469,298
4. Step 4: Simplify right side
   215,272x = 220,240,612,804
5. Step 5: Solve for x
   x = 220,240,612,804/215,272
6. Step 6: Final answer
   x = 1,023,080.63