Finding the Third Proportional to 8,964,873 and 13,456,488

Step by Step Solution

1. Step 1: Write the proportion equation
   8,964,873 : 13,456,488 = 13,456,488 : x
2. Step 2: Convert to fraction form
   8,964,873/13,456,488 = 13,456,488/x
3. Step 3: Cross multiply
   8,964,873x = 13,456,488 × 13,456,488
4. Step 4: Simplify right side
   8,964,873x = 181,077,069,294,144
5. Step 5: Solve for x
   x = 181,077,069,294,144/8,964,873
6. Step 6: Final answer
   x = 20,198,509.15