Finding the Third Proportional to 354,901.50 and 766,665

Step by Step Solution

1. Step 1: Write the proportion equation
   354,901.50 : 766,665 = 766,665 : x
2. Step 2: Convert to fraction form
   354,901.50/766,665 = 766,665/x
3. Step 3: Cross multiply
   354,901.50x = 766,665 × 766,665
4. Step 4: Simplify right side
   354,901.50x = 587,775,222,225
5. Step 5: Solve for x
   x = 587,775,222,225/354,901.50
6. Step 6: Final answer
   x = 1,656,164.38