Finding the Third Proportional to 617,088 and 1,283,328

Step by Step Solution

1. Step 1: Write the proportion equation
   617,088 : 1,283,328 = 1,283,328 : x
2. Step 2: Convert to fraction form
   617,088/1,283,328 = 1,283,328/x
3. Step 3: Cross multiply
   617,088x = 1,283,328 × 1,283,328
4. Step 4: Simplify right side
   617,088x = 1,646,930,755,584
5. Step 5: Solve for x
   x = 1,646,930,755,584/617,088
6. Step 6: Final answer
   x = 2,668,875.03