Finding the Third Proportional to 554,412 and 1,166,778

Step by Step Solution

1. Step 1: Write the proportion equation
   554,412 : 1,166,778 = 1,166,778 : x
2. Step 2: Convert to fraction form
   554,412/1,166,778 = 1,166,778/x
3. Step 3: Cross multiply
   554,412x = 1,166,778 × 1,166,778
4. Step 4: Simplify right side
   554,412x = 1,361,370,901,284
5. Step 5: Solve for x
   x = 1,361,370,901,284/554,412
6. Step 6: Final answer
   x = 2,455,522.07