Finding the Third Proportional to 4,389,888 and 9,584,160

Step by Step Solution

1. Step 1: Write the proportion equation
   4,389,888 : 9,584,160 = 9,584,160 : x
2. Step 2: Convert to fraction form
   4,389,888/9,584,160 = 9,584,160/x
3. Step 3: Cross multiply
   4,389,888x = 9,584,160 × 9,584,160
4. Step 4: Simplify right side
   4,389,888x = 91,856,122,905,600
5. Step 5: Solve for x
   x = 91,856,122,905,600/4,389,888
6. Step 6: Final answer
   x = 20,924,479.83