Finding the Third Proportional to 9,865,444 and 21,523,680

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,444 : 21,523,680 = 21,523,680 : x
2. Step 2: Convert to fraction form
   9,865,444/21,523,680 = 21,523,680/x
3. Step 3: Cross multiply
   9,865,444x = 21,523,680 × 21,523,680
4. Step 4: Simplify right side
   9,865,444x = 463,268,800,742,400
5. Step 5: Solve for x
   x = 463,268,800,742,400/9,865,444
6. Step 6: Final answer
   x = 46,958,738.07