Finding the Third Proportional to 628,862 and 1,357,318

Step by Step Solution

1. Step 1: Write the proportion equation
   628,862 : 1,357,318 = 1,357,318 : x
2. Step 2: Convert to fraction form
   628,862/1,357,318 = 1,357,318/x
3. Step 3: Cross multiply
   628,862x = 1,357,318 × 1,357,318
4. Step 4: Simplify right side
   628,862x = 1,842,312,153,124
5. Step 5: Solve for x
   x = 1,842,312,153,124/628,862
6. Step 6: Final answer
   x = 2,929,596.88