Finding the Third Proportional to 946,560 and 1,420,272

Step by Step Solution

1. Step 1: Write the proportion equation
   946,560 : 1,420,272 = 1,420,272 : x
2. Step 2: Convert to fraction form
   946,560/1,420,272 = 1,420,272/x
3. Step 3: Cross multiply
   946,560x = 1,420,272 × 1,420,272
4. Step 4: Simplify right side
   946,560x = 2,017,172,553,984
5. Step 5: Solve for x
   x = 2,017,172,553,984/946,560
6. Step 6: Final answer
   x = 2,131,056.20