Finding the Third Proportional to 766,798 and 1,612,921

Step by Step Solution

1. Step 1: Write the proportion equation
   766,798 : 1,612,921 = 1,612,921 : x
2. Step 2: Convert to fraction form
   766,798/1,612,921 = 1,612,921/x
3. Step 3: Cross multiply
   766,798x = 1,612,921 × 1,612,921
4. Step 4: Simplify right side
   766,798x = 2,601,514,152,241
5. Step 5: Solve for x
   x = 2,601,514,152,241/766,798
6. Step 6: Final answer
   x = 3,392,698.15