Finding the Third Proportional to 4,389,897 and 9,584,178

Step by Step Solution

1. Step 1: Write the proportion equation
   4,389,897 : 9,584,178 = 9,584,178 : x
2. Step 2: Convert to fraction form
   4,389,897/9,584,178 = 9,584,178/x
3. Step 3: Cross multiply
   4,389,897x = 9,584,178 × 9,584,178
4. Step 4: Simplify right side
   4,389,897x = 91,856,467,935,684
5. Step 5: Solve for x
   x = 91,856,467,935,684/4,389,897
6. Step 6: Final answer
   x = 20,924,515.53