Finding the Third Proportional to 772,784 and 1,182,123

Step by Step Solution

1. Step 1: Write the proportion equation
   772,784 : 1,182,123 = 1,182,123 : x
2. Step 2: Convert to fraction form
   772,784/1,182,123 = 1,182,123/x
3. Step 3: Cross multiply
   772,784x = 1,182,123 × 1,182,123
4. Step 4: Simplify right side
   772,784x = 1,397,414,787,129
5. Step 5: Solve for x
   x = 1,397,414,787,129/772,784
6. Step 6: Final answer
   x = 1,808,286.39