Finding the Third Proportional to 772,120 and 1,113,876

Step by Step Solution

1. Step 1: Write the proportion equation
   772,120 : 1,113,876 = 1,113,876 : x
2. Step 2: Convert to fraction form
   772,120/1,113,876 = 1,113,876/x
3. Step 3: Cross multiply
   772,120x = 1,113,876 × 1,113,876
4. Step 4: Simplify right side
   772,120x = 1,240,719,743,376
5. Step 5: Solve for x
   x = 1,240,719,743,376/772,120
6. Step 6: Final answer
   x = 1,606,900.15