Finding the Third Proportional to 631,080 and 1,358,388

Step by Step Solution

1. Step 1: Write the proportion equation
   631,080 : 1,358,388 = 1,358,388 : x
2. Step 2: Convert to fraction form
   631,080/1,358,388 = 1,358,388/x
3. Step 3: Cross multiply
   631,080x = 1,358,388 × 1,358,388
4. Step 4: Simplify right side
   631,080x = 1,845,217,958,544
5. Step 5: Solve for x
   x = 1,845,217,958,544/631,080
6. Step 6: Final answer
   x = 2,923,904.99