Finding the Third Proportional to 617,680 and 1,333,774

Step by Step Solution

1. Step 1: Write the proportion equation
   617,680 : 1,333,774 = 1,333,774 : x
2. Step 2: Convert to fraction form
   617,680/1,333,774 = 1,333,774/x
3. Step 3: Cross multiply
   617,680x = 1,333,774 × 1,333,774
4. Step 4: Simplify right side
   617,680x = 1,778,953,083,076
5. Step 5: Solve for x
   x = 1,778,953,083,076/617,680
6. Step 6: Final answer
   x = 2,880,056.15