Finding the Third Proportional to 766,616 and 1,612,672

Step by Step Solution

1. Step 1: Write the proportion equation
   766,616 : 1,612,672 = 1,612,672 : x
2. Step 2: Convert to fraction form
   766,616/1,612,672 = 1,612,672/x
3. Step 3: Cross multiply
   766,616x = 1,612,672 × 1,612,672
4. Step 4: Simplify right side
   766,616x = 2,600,710,979,584
5. Step 5: Solve for x
   x = 2,600,710,979,584/766,616
6. Step 6: Final answer
   x = 3,392,455.91