Finding the Third Proportional to 11,931,150 and 17,898,021

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931,150 : 17,898,021 = 17,898,021 : x
2. Step 2: Convert to fraction form
   11,931,150/17,898,021 = 17,898,021/x
3. Step 3: Cross multiply
   11,931,150x = 17,898,021 × 17,898,021
4. Step 4: Simplify right side
   11,931,150x = 320,339,155,716,441
5. Step 5: Solve for x
   x = 320,339,155,716,441/11,931,150
6. Step 6: Final answer
   x = 26,848,975.64