Finding the Third Proportional to 10,498,680 and 21,835,440

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498,680 : 21,835,440 = 21,835,440 : x
2. Step 2: Convert to fraction form
   10,498,680/21,835,440 = 21,835,440/x
3. Step 3: Cross multiply
   10,498,680x = 21,835,440 × 21,835,440
4. Step 4: Simplify right side
   10,498,680x = 476,786,439,993,600
5. Step 5: Solve for x
   x = 476,786,439,993,600/10,498,680
6. Step 6: Final answer
   x = 45,413,941.56