Finding the Third Proportional to 919,512 and 1,380,510

Step by Step Solution

1. Step 1: Write the proportion equation
   919,512 : 1,380,510 = 1,380,510 : x
2. Step 2: Convert to fraction form
   919,512/1,380,510 = 1,380,510/x
3. Step 3: Cross multiply
   919,512x = 1,380,510 × 1,380,510
4. Step 4: Simplify right side
   919,512x = 1,905,807,860,100
5. Step 5: Solve for x
   x = 1,905,807,860,100/919,512
6. Step 6: Final answer
   x = 2,072,629.68