Finding the Third Proportional to 678,261 and 1,049,748

Step by Step Solution

1. Step 1: Write the proportion equation
   678,261 : 1,049,748 = 1,049,748 : x
2. Step 2: Convert to fraction form
   678,261/1,049,748 = 1,049,748/x
3. Step 3: Cross multiply
   678,261x = 1,049,748 × 1,049,748
4. Step 4: Simplify right side
   678,261x = 1,101,970,863,504
5. Step 5: Solve for x
   x = 1,101,970,863,504/678,261
6. Step 6: Final answer
   x = 1,624,700.32