Finding the Third Proportional to 597,812 and 1,290,064

Step by Step Solution

1. Step 1: Write the proportion equation
   597,812 : 1,290,064 = 1,290,064 : x
2. Step 2: Convert to fraction form
   597,812/1,290,064 = 1,290,064/x
3. Step 3: Cross multiply
   597,812x = 1,290,064 × 1,290,064
4. Step 4: Simplify right side
   597,812x = 1,664,265,124,096
5. Step 5: Solve for x
   x = 1,664,265,124,096/597,812
6. Step 6: Final answer
   x = 2,783,927.26