Finding the Third Proportional to 578,710 and 1,269,476

Step by Step Solution

1. Step 1: Write the proportion equation
   578,710 : 1,269,476 = 1,269,476 : x
2. Step 2: Convert to fraction form
   578,710/1,269,476 = 1,269,476/x
3. Step 3: Cross multiply
   578,710x = 1,269,476 × 1,269,476
4. Step 4: Simplify right side
   578,710x = 1,611,569,314,576
5. Step 5: Solve for x
   x = 1,611,569,314,576/578,710
6. Step 6: Final answer
   x = 2,784,761.48