Finding the Third Proportional to 10,018,974 and 21,928,380

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018,974 : 21,928,380 = 21,928,380 : x
2. Step 2: Convert to fraction form
   10,018,974/21,928,380 = 21,928,380/x
3. Step 3: Cross multiply
   10,018,974x = 21,928,380 × 21,928,380
4. Step 4: Simplify right side
   10,018,974x = 480,853,849,424,400
5. Step 5: Solve for x
   x = 480,853,849,424,400/10,018,974
6. Step 6: Final answer
   x = 47,994,320.52