Finding the Third Proportional to 605,280 and 1,328,112

Step by Step Solution

1. Step 1: Write the proportion equation
   605,280 : 1,328,112 = 1,328,112 : x
2. Step 2: Convert to fraction form
   605,280/1,328,112 = 1,328,112/x
3. Step 3: Cross multiply
   605,280x = 1,328,112 × 1,328,112
4. Step 4: Simplify right side
   605,280x = 1,763,881,484,544
5. Step 5: Solve for x
   x = 1,763,881,484,544/605,280
6. Step 6: Final answer
   x = 2,914,157.88