Finding the Third Proportional to 554,880 and 1,210,302

Step by Step Solution

1. Step 1: Write the proportion equation
   554,880 : 1,210,302 = 1,210,302 : x
2. Step 2: Convert to fraction form
   554,880/1,210,302 = 1,210,302/x
3. Step 3: Cross multiply
   554,880x = 1,210,302 × 1,210,302
4. Step 4: Simplify right side
   554,880x = 1,464,830,931,204
5. Step 5: Solve for x
   x = 1,464,830,931,204/554,880
6. Step 6: Final answer
   x = 2,639,905.80