Finding the Third Proportional to 9,692,168 and 21,144,608

Step by Step Solution

1. Step 1: Write the proportion equation
   9,692,168 : 21,144,608 = 21,144,608 : x
2. Step 2: Convert to fraction form
   9,692,168/21,144,608 = 21,144,608/x
3. Step 3: Cross multiply
   9,692,168x = 21,144,608 × 21,144,608
4. Step 4: Simplify right side
   9,692,168x = 447,094,447,473,664
5. Step 5: Solve for x
   x = 447,094,447,473,664/9,692,168
6. Step 6: Final answer
   x = 46,129,457.05