Finding the Third Proportional to 10,108,013,574 and 21,618,155,252

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108,013,574 : 21,618,155,252 = 21,618,155,252 : x
2. Step 2: Convert to fraction form
   10,108,013,574/21,618,155,252 = 21,618,155,252/x
3. Step 3: Cross multiply
   10,108,013,574x = 21,618,155,252 × 21,618,155,252
4. Step 4: Simplify right side
   10,108,013,574x = 467,344,636,499,575,177,216
5. Step 5: Solve for x
   x = 467,344,636,499,575,177,216/10,108,013,574
6. Step 6: Final answer
   x = 46,235,062,218.52