Finding the Third Proportional to 8,776,448 and 13,258,240

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776,448 : 13,258,240 = 13,258,240 : x
2. Step 2: Convert to fraction form
   8,776,448/13,258,240 = 13,258,240/x
3. Step 3: Cross multiply
   8,776,448x = 13,258,240 × 13,258,240
4. Step 4: Simplify right side
   8,776,448x = 175,780,927,897,600
5. Step 5: Solve for x
   x = 175,780,927,897,600/8,776,448
6. Step 6: Final answer
   x = 20,028,709.55