Finding the Third Proportional to 551,098 and 780,016

Step by Step Solution

1. Step 1: Write the proportion equation
   551,098 : 780,016 = 780,016 : x
2. Step 2: Convert to fraction form
   551,098/780,016 = 780,016/x
3. Step 3: Cross multiply
   551,098x = 780,016 × 780,016
4. Step 4: Simplify right side
   551,098x = 608,424,960,256
5. Step 5: Solve for x
   x = 608,424,960,256/551,098
6. Step 6: Final answer
   x = 1,104,023.17