Finding the Third Proportional to 486,272 and 1,011,200

Step by Step Solution

1. Step 1: Write the proportion equation
   486,272 : 1,011,200 = 1,011,200 : x
2. Step 2: Convert to fraction form
   486,272/1,011,200 = 1,011,200/x
3. Step 3: Cross multiply
   486,272x = 1,011,200 × 1,011,200
4. Step 4: Simplify right side
   486,272x = 1,022,525,440,000
5. Step 5: Solve for x
   x = 1,022,525,440,000/486,272
6. Step 6: Final answer
   x = 2,102,784.94