Finding the Third Proportional to 361,930 and 788,108

Step by Step Solution

1. Step 1: Write the proportion equation
   361,930 : 788,108 = 788,108 : x
2. Step 2: Convert to fraction form
   361,930/788,108 = 788,108/x
3. Step 3: Cross multiply
   361,930x = 788,108 × 788,108
4. Step 4: Simplify right side
   361,930x = 621,114,219,664
5. Step 5: Solve for x
   x = 621,114,219,664/361,930
6. Step 6: Final answer
   x = 1,716,116.98