Finding the Third Proportional to 638,061 and 1,401,912

Step by Step Solution

1. Step 1: Write the proportion equation
   638,061 : 1,401,912 = 1,401,912 : x
2. Step 2: Convert to fraction form
   638,061/1,401,912 = 1,401,912/x
3. Step 3: Cross multiply
   638,061x = 1,401,912 × 1,401,912
4. Step 4: Simplify right side
   638,061x = 1,965,357,255,744
5. Step 5: Solve for x
   x = 1,965,357,255,744/638,061
6. Step 6: Final answer
   x = 3,080,202.76