Finding the Third Proportional to 4,778,188 and 10,396,180

Step by Step Solution

1. Step 1: Write the proportion equation
   4,778,188 : 10,396,180 = 10,396,180 : x
2. Step 2: Convert to fraction form
   4,778,188/10,396,180 = 10,396,180/x
3. Step 3: Cross multiply
   4,778,188x = 10,396,180 × 10,396,180
4. Step 4: Simplify right side
   4,778,188x = 108,080,558,592,400
5. Step 5: Solve for x
   x = 108,080,558,592,400/4,778,188
6. Step 6: Final answer
   x = 22,619,570.14