Finding the Third Proportional to 4,538,968 and 9,834,404

Step by Step Solution

1. Step 1: Write the proportion equation
   4,538,968 : 9,834,404 = 9,834,404 : x
2. Step 2: Convert to fraction form
   4,538,968/9,834,404 = 9,834,404/x
3. Step 3: Cross multiply
   4,538,968x = 9,834,404 × 9,834,404
4. Step 4: Simplify right side
   4,538,968x = 96,715,502,035,216
5. Step 5: Solve for x
   x = 96,715,502,035,216/4,538,968
6. Step 6: Final answer
   x = 21,307,817.56