Finding the Third Proportional to 9,747,116 and 21,121,360

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747,116 : 21,121,360 = 21,121,360 : x
2. Step 2: Convert to fraction form
   9,747,116/21,121,360 = 21,121,360/x
3. Step 3: Cross multiply
   9,747,116x = 21,121,360 × 21,121,360
4. Step 4: Simplify right side
   9,747,116x = 446,111,848,249,600
5. Step 5: Solve for x
   x = 446,111,848,249,600/9,747,116
6. Step 6: Final answer
   x = 45,768,599.48