Finding the Third Proportional to 355,806 and 766,013.63

Step by Step Solution

1. Step 1: Write the proportion equation
   355,806 : 766,013.63 = 766,013.63 : x
2. Step 2: Convert to fraction form
   355,806/766,013.63 = 766,013.63/x
3. Step 3: Cross multiply
   355,806x = 766,013.63 × 766,013.63
4. Step 4: Simplify right side
   355,806x = 586,776,873,685.64
5. Step 5: Solve for x
   x = 586,776,873,685.64/355,806
6. Step 6: Final answer
   x = 1,649,148.34