Finding the Third Proportional to 1,207,206 and 2,513,583

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,206 : 2,513,583 = 2,513,583 : x
2. Step 2: Convert to fraction form
   1,207,206/2,513,583 = 2,513,583/x
3. Step 3: Cross multiply
   1,207,206x = 2,513,583 × 2,513,583
4. Step 4: Simplify right side
   1,207,206x = 6,318,099,497,889
5. Step 5: Solve for x
   x = 6,318,099,497,889/1,207,206
6. Step 6: Final answer
   x = 5,233,654.82