Finding the Third Proportional to 772,142 and 1,173,956

Step by Step Solution

1. Step 1: Write the proportion equation
   772,142 : 1,173,956 = 1,173,956 : x
2. Step 2: Convert to fraction form
   772,142/1,173,956 = 1,173,956/x
3. Step 3: Cross multiply
   772,142x = 1,173,956 × 1,173,956
4. Step 4: Simplify right side
   772,142x = 1,378,172,689,936
5. Step 5: Solve for x
   x = 1,378,172,689,936/772,142
6. Step 6: Final answer
   x = 1,784,869.48