Finding the Third Proportional to 9,865,456 and 21,523,704

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,456 : 21,523,704 = 21,523,704 : x
2. Step 2: Convert to fraction form
   9,865,456/21,523,704 = 21,523,704/x
3. Step 3: Cross multiply
   9,865,456x = 21,523,704 × 21,523,704
4. Step 4: Simplify right side
   9,865,456x = 463,269,833,879,616
5. Step 5: Solve for x
   x = 463,269,833,879,616/9,865,456
6. Step 6: Final answer
   x = 46,958,785.67