Finding the Third Proportional to 424,272 and 914,960

Step by Step Solution

1. Step 1: Write the proportion equation
   424,272 : 914,960 = 914,960 : x
2. Step 2: Convert to fraction form
   424,272/914,960 = 914,960/x
3. Step 3: Cross multiply
   424,272x = 914,960 × 914,960
4. Step 4: Simplify right side
   424,272x = 837,151,801,600
5. Step 5: Solve for x
   x = 837,151,801,600/424,272
6. Step 6: Final answer
   x = 1,973,148.83