Finding the Third Proportional to 350,662 and 766,940

Step by Step Solution

1. Step 1: Write the proportion equation
   350,662 : 766,940 = 766,940 : x
2. Step 2: Convert to fraction form
   350,662/766,940 = 766,940/x
3. Step 3: Cross multiply
   350,662x = 766,940 × 766,940
4. Step 4: Simplify right side
   350,662x = 588,196,963,600
5. Step 5: Solve for x
   x = 588,196,963,600/350,662
6. Step 6: Final answer
   x = 1,677,390.09