Finding the Third Proportional to 578,520 and 1,265,472

Step by Step Solution

1. Step 1: Write the proportion equation
   578,520 : 1,265,472 = 1,265,472 : x
2. Step 2: Convert to fraction form
   578,520/1,265,472 = 1,265,472/x
3. Step 3: Cross multiply
   578,520x = 1,265,472 × 1,265,472
4. Step 4: Simplify right side
   578,520x = 1,601,419,382,784
5. Step 5: Solve for x
   x = 1,601,419,382,784/578,520
6. Step 6: Final answer
   x = 2,768,131.41