Finding the Third Proportional to 10,149,903 and 13,824,789

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149,903 : 13,824,789 = 13,824,789 : x
2. Step 2: Convert to fraction form
   10,149,903/13,824,789 = 13,824,789/x
3. Step 3: Cross multiply
   10,149,903x = 13,824,789 × 13,824,789
4. Step 4: Simplify right side
   10,149,903x = 191,124,790,894,521
5. Step 5: Solve for x
   x = 191,124,790,894,521/10,149,903
6. Step 6: Final answer
   x = 18,830,208.61