Finding the Third Proportional to 11,921,248 and 18,885,002

Step by Step Solution

1. Step 1: Write the proportion equation
   11,921,248 : 18,885,002 = 18,885,002 : x
2. Step 2: Convert to fraction form
   11,921,248/18,885,002 = 18,885,002/x
3. Step 3: Cross multiply
   11,921,248x = 18,885,002 × 18,885,002
4. Step 4: Simplify right side
   11,921,248x = 356,643,300,540,004
5. Step 5: Solve for x
   x = 356,643,300,540,004/11,921,248
6. Step 6: Final answer
   x = 29,916,607.77