Finding the Third Proportional to 825,980 and 1,163,178

Step by Step Solution

1. Step 1: Write the proportion equation
   825,980 : 1,163,178 = 1,163,178 : x
2. Step 2: Convert to fraction form
   825,980/1,163,178 = 1,163,178/x
3. Step 3: Cross multiply
   825,980x = 1,163,178 × 1,163,178
4. Step 4: Simplify right side
   825,980x = 1,352,983,059,684
5. Step 5: Solve for x
   x = 1,352,983,059,684/825,980
6. Step 6: Final answer
   x = 1,638,033.68