Finding the Third Proportional to 766,798 and 1,612,920

Step by Step Solution

1. Step 1: Write the proportion equation
   766,798 : 1,612,920 = 1,612,920 : x
2. Step 2: Convert to fraction form
   766,798/1,612,920 = 1,612,920/x
3. Step 3: Cross multiply
   766,798x = 1,612,920 × 1,612,920
4. Step 4: Simplify right side
   766,798x = 2,601,510,926,400
5. Step 5: Solve for x
   x = 2,601,510,926,400/766,798
6. Step 6: Final answer
   x = 3,392,693.94