Finding the Third Proportional to 766,820 and 1,612,960

Step by Step Solution

1. Step 1: Write the proportion equation
   766,820 : 1,612,960 = 1,612,960 : x
2. Step 2: Convert to fraction form
   766,820/1,612,960 = 1,612,960/x
3. Step 3: Cross multiply
   766,820x = 1,612,960 × 1,612,960
4. Step 4: Simplify right side
   766,820x = 2,601,639,961,600
5. Step 5: Solve for x
   x = 2,601,639,961,600/766,820
6. Step 6: Final answer
   x = 3,392,764.88