Finding the Third Proportional to 366,946 and 788,144

Step by Step Solution

1. Step 1: Write the proportion equation
   366,946 : 788,144 = 788,144 : x
2. Step 2: Convert to fraction form
   366,946/788,144 = 788,144/x
3. Step 3: Cross multiply
   366,946x = 788,144 × 788,144
4. Step 4: Simplify right side
   366,946x = 621,170,964,736
5. Step 5: Solve for x
   x = 621,170,964,736/366,946
6. Step 6: Final answer
   x = 1,692,813.02