Finding the Third Proportional to 772,040 and 1,171,180

Step by Step Solution

1. Step 1: Write the proportion equation
   772,040 : 1,171,180 = 1,171,180 : x
2. Step 2: Convert to fraction form
   772,040/1,171,180 = 1,171,180/x
3. Step 3: Cross multiply
   772,040x = 1,171,180 × 1,171,180
4. Step 4: Simplify right side
   772,040x = 1,371,662,592,400
5. Step 5: Solve for x
   x = 1,371,662,592,400/772,040
6. Step 6: Final answer
   x = 1,776,672.96