Finding the Third Proportional to 11,931,148 and 17,898,018

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931,148 : 17,898,018 = 17,898,018 : x
2. Step 2: Convert to fraction form
   11,931,148/17,898,018 = 17,898,018/x
3. Step 3: Cross multiply
   11,931,148x = 17,898,018 × 17,898,018
4. Step 4: Simplify right side
   11,931,148x = 320,339,048,328,324
5. Step 5: Solve for x
   x = 320,339,048,328,324/11,931,148
6. Step 6: Final answer
   x = 26,848,971.14