Finding the Third Proportional to 9,637,168 and 13,215,164

Step by Step Solution

1. Step 1: Write the proportion equation
   9,637,168 : 13,215,164 = 13,215,164 : x
2. Step 2: Convert to fraction form
   9,637,168/13,215,164 = 13,215,164/x
3. Step 3: Cross multiply
   9,637,168x = 13,215,164 × 13,215,164
4. Step 4: Simplify right side
   9,637,168x = 174,640,559,546,896
5. Step 5: Solve for x
   x = 174,640,559,546,896/9,637,168
6. Step 6: Final answer
   x = 18,121,564.30