Finding the Third Proportional to 766,628 and 1,612,696

Step by Step Solution

1. Step 1: Write the proportion equation
   766,628 : 1,612,696 = 1,612,696 : x
2. Step 2: Convert to fraction form
   766,628/1,612,696 = 1,612,696/x
3. Step 3: Cross multiply
   766,628x = 1,612,696 × 1,612,696
4. Step 4: Simplify right side
   766,628x = 2,600,788,388,416
5. Step 5: Solve for x
   x = 2,600,788,388,416/766,628
6. Step 6: Final answer
   x = 3,392,503.78