Finding the Third Proportional to 4,116,240 and 8,919,360

Step by Step Solution

1. Step 1: Write the proportion equation
   4,116,240 : 8,919,360 = 8,919,360 : x
2. Step 2: Convert to fraction form
   4,116,240/8,919,360 = 8,919,360/x
3. Step 3: Cross multiply
   4,116,240x = 8,919,360 × 8,919,360
4. Step 4: Simplify right side
   4,116,240x = 79,554,982,809,600
5. Step 5: Solve for x
   x = 79,554,982,809,600/4,116,240
6. Step 6: Final answer
   x = 19,327,100.17