Finding the Third Proportional to 772,138 and 1,173,950

Step by Step Solution

1. Step 1: Write the proportion equation
   772,138 : 1,173,950 = 1,173,950 : x
2. Step 2: Convert to fraction form
   772,138/1,173,950 = 1,173,950/x
3. Step 3: Cross multiply
   772,138x = 1,173,950 × 1,173,950
4. Step 4: Simplify right side
   772,138x = 1,378,158,602,500
5. Step 5: Solve for x
   x = 1,378,158,602,500/772,138
6. Step 6: Final answer
   x = 1,784,860.48