Finding the Third Proportional to 377,217 and 798,012

Step by Step Solution

1. Step 1: Write the proportion equation
   377,217 : 798,012 = 798,012 : x
2. Step 2: Convert to fraction form
   377,217/798,012 = 798,012/x
3. Step 3: Cross multiply
   377,217x = 798,012 × 798,012
4. Step 4: Simplify right side
   377,217x = 636,823,152,144
5. Step 5: Solve for x
   x = 636,823,152,144/377,217
6. Step 6: Final answer
   x = 1,688,214.35