Finding the Third Proportional to 8,971,848 and 19,458,072

Step by Step Solution

1. Step 1: Write the proportion equation
   8,971,848 : 19,458,072 = 19,458,072 : x
2. Step 2: Convert to fraction form
   8,971,848/19,458,072 = 19,458,072/x
3. Step 3: Cross multiply
   8,971,848x = 19,458,072 × 19,458,072
4. Step 4: Simplify right side
   8,971,848x = 378,616,565,957,184
5. Step 5: Solve for x
   x = 378,616,565,957,184/8,971,848
6. Step 6: Final answer
   x = 42,200,510.53