Finding the Third Proportional to 4,619,592 and 9,531,918

Step by Step Solution

1. Step 1: Write the proportion equation
   4,619,592 : 9,531,918 = 9,531,918 : x
2. Step 2: Convert to fraction form
   4,619,592/9,531,918 = 9,531,918/x
3. Step 3: Cross multiply
   4,619,592x = 9,531,918 × 9,531,918
4. Step 4: Simplify right side
   4,619,592x = 90,857,460,758,724
5. Step 5: Solve for x
   x = 90,857,460,758,724/4,619,592
6. Step 6: Final answer
   x = 19,667,853.95