Finding the Third Proportional to 617,680.50 and 1,333,776

Step by Step Solution

1. Step 1: Write the proportion equation
   617,680.50 : 1,333,776 = 1,333,776 : x
2. Step 2: Convert to fraction form
   617,680.50/1,333,776 = 1,333,776/x
3. Step 3: Cross multiply
   617,680.50x = 1,333,776 × 1,333,776
4. Step 4: Simplify right side
   617,680.50x = 1,778,958,418,176
5. Step 5: Solve for x
   x = 1,778,958,418,176/617,680.50
6. Step 6: Final answer
   x = 2,880,062.46