Finding the Third Proportional to 578,748 and 1,269,548

Step by Step Solution

1. Step 1: Write the proportion equation
   578,748 : 1,269,548 = 1,269,548 : x
2. Step 2: Convert to fraction form
   578,748/1,269,548 = 1,269,548/x
3. Step 3: Cross multiply
   578,748x = 1,269,548 × 1,269,548
4. Step 4: Simplify right side
   578,748x = 1,611,752,124,304
5. Step 5: Solve for x
   x = 1,611,752,124,304/578,748
6. Step 6: Final answer
   x = 2,784,894.50