Finding the Third Proportional to 9,814,612 and 21,448,808

Step by Step Solution

1. Step 1: Write the proportion equation
   9,814,612 : 21,448,808 = 21,448,808 : x
2. Step 2: Convert to fraction form
   9,814,612/21,448,808 = 21,448,808/x
3. Step 3: Cross multiply
   9,814,612x = 21,448,808 × 21,448,808
4. Step 4: Simplify right side
   9,814,612x = 460,051,364,620,864
5. Step 5: Solve for x
   x = 460,051,364,620,864/9,814,612
6. Step 6: Final answer
   x = 46,874,126.52