Finding the Third Proportional to 679,332 and 1,388,160

Step by Step Solution

1. Step 1: Write the proportion equation
   679,332 : 1,388,160 = 1,388,160 : x
2. Step 2: Convert to fraction form
   679,332/1,388,160 = 1,388,160/x
3. Step 3: Cross multiply
   679,332x = 1,388,160 × 1,388,160
4. Step 4: Simplify right side
   679,332x = 1,926,988,185,600
5. Step 5: Solve for x
   x = 1,926,988,185,600/679,332
6. Step 6: Final answer
   x = 2,836,592.69