Finding the Third Proportional to 638,068 and 1,401,924

Step by Step Solution

1. Step 1: Write the proportion equation
   638,068 : 1,401,924 = 1,401,924 : x
2. Step 2: Convert to fraction form
   638,068/1,401,924 = 1,401,924/x
3. Step 3: Cross multiply
   638,068x = 1,401,924 × 1,401,924
4. Step 4: Simplify right side
   638,068x = 1,965,390,901,776
5. Step 5: Solve for x
   x = 1,965,390,901,776/638,068
6. Step 6: Final answer
   x = 3,080,221.70