Finding the Third Proportional to 11,820,894 and 25,659,499

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820,894 : 25,659,499 = 25,659,499 : x
2. Step 2: Convert to fraction form
   11,820,894/25,659,499 = 25,659,499/x
3. Step 3: Cross multiply
   11,820,894x = 25,659,499 × 25,659,499
4. Step 4: Simplify right side
   11,820,894x = 658,409,888,931,001
5. Step 5: Solve for x
   x = 658,409,888,931,001/11,820,894
6. Step 6: Final answer
   x = 55,698,823.53