Finding the Third Proportional to 9,678,904 and 13,152,848

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678,904 : 13,152,848 = 13,152,848 : x
2. Step 2: Convert to fraction form
   9,678,904/13,152,848 = 13,152,848/x
3. Step 3: Cross multiply
   9,678,904x = 13,152,848 × 13,152,848
4. Step 4: Simplify right side
   9,678,904x = 172,997,410,511,104
5. Step 5: Solve for x
   x = 172,997,410,511,104/9,678,904
6. Step 6: Final answer
   x = 17,873,657.03