Finding the Third Proportional to 766,442 and 1,612,260

Step by Step Solution

1. Step 1: Write the proportion equation
   766,442 : 1,612,260 = 1,612,260 : x
2. Step 2: Convert to fraction form
   766,442/1,612,260 = 1,612,260/x
3. Step 3: Cross multiply
   766,442x = 1,612,260 × 1,612,260
4. Step 4: Simplify right side
   766,442x = 2,599,382,307,600
5. Step 5: Solve for x
   x = 2,599,382,307,600/766,442
6. Step 6: Final answer
   x = 3,391,492.52