Finding the Third Proportional to 554,201 and 1,191,280

Step by Step Solution

1. Step 1: Write the proportion equation
   554,201 : 1,191,280 = 1,191,280 : x
2. Step 2: Convert to fraction form
   554,201/1,191,280 = 1,191,280/x
3. Step 3: Cross multiply
   554,201x = 1,191,280 × 1,191,280
4. Step 4: Simplify right side
   554,201x = 1,419,148,038,400
5. Step 5: Solve for x
   x = 1,419,148,038,400/554,201
6. Step 6: Final answer
   x = 2,560,709.99