Finding the Third Proportional to 4,538,974 and 9,834,416

Step by Step Solution

1. Step 1: Write the proportion equation
   4,538,974 : 9,834,416 = 9,834,416 : x
2. Step 2: Convert to fraction form
   4,538,974/9,834,416 = 9,834,416/x
3. Step 3: Cross multiply
   4,538,974x = 9,834,416 × 9,834,416
4. Step 4: Simplify right side
   4,538,974x = 96,715,738,061,056
5. Step 5: Solve for x
   x = 96,715,738,061,056/4,538,974
6. Step 6: Final answer
   x = 21,307,841.39