Finding the Third Proportional to 713,898 and 1,105,407

Step by Step Solution

1. Step 1: Write the proportion equation
   713,898 : 1,105,407 = 1,105,407 : x
2. Step 2: Convert to fraction form
   713,898/1,105,407 = 1,105,407/x
3. Step 3: Cross multiply
   713,898x = 1,105,407 × 1,105,407
4. Step 4: Simplify right side
   713,898x = 1,221,924,635,649
5. Step 5: Solve for x
   x = 1,221,924,635,649/713,898
6. Step 6: Final answer
   x = 1,711,623.56