Finding the Third Proportional to 720,592 and 1,076,856

Step by Step Solution

1. Step 1: Write the proportion equation
   720,592 : 1,076,856 = 1,076,856 : x
2. Step 2: Convert to fraction form
   720,592/1,076,856 = 1,076,856/x
3. Step 3: Cross multiply
   720,592x = 1,076,856 × 1,076,856
4. Step 4: Simplify right side
   720,592x = 1,159,618,844,736
5. Step 5: Solve for x
   x = 1,159,618,844,736/720,592
6. Step 6: Final answer
   x = 1,609,258.56