Finding the Third Proportional to 10,427,444 and 21,808,274

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427,444 : 21,808,274 = 21,808,274 : x
2. Step 2: Convert to fraction form
   10,427,444/21,808,274 = 21,808,274/x
3. Step 3: Cross multiply
   10,427,444x = 21,808,274 × 21,808,274
4. Step 4: Simplify right side
   10,427,444x = 475,600,814,859,076
5. Step 5: Solve for x
   x = 475,600,814,859,076/10,427,444
6. Step 6: Final answer
   x = 45,610,488.52