Finding the Third Proportional to 766,503 and 1,612,386

Step by Step Solution

1. Step 1: Write the proportion equation
   766,503 : 1,612,386 = 1,612,386 : x
2. Step 2: Convert to fraction form
   766,503/1,612,386 = 1,612,386/x
3. Step 3: Cross multiply
   766,503x = 1,612,386 × 1,612,386
4. Step 4: Simplify right side
   766,503x = 2,599,788,612,996
5. Step 5: Solve for x
   x = 2,599,788,612,996/766,503
6. Step 6: Final answer
   x = 3,391,752.69