Finding the Third Proportional to 13,286,271 and 21,695,099

Step by Step Solution

1. Step 1: Write the proportion equation
   13,286,271 : 21,695,099 = 21,695,099 : x
2. Step 2: Convert to fraction form
   13,286,271/21,695,099 = 21,695,099/x
3. Step 3: Cross multiply
   13,286,271x = 21,695,099 × 21,695,099
4. Step 4: Simplify right side
   13,286,271x = 470,677,320,619,801
5. Step 5: Solve for x
   x = 470,677,320,619,801/13,286,271
6. Step 6: Final answer
   x = 35,425,840.75