Finding the Third Proportional to 13,288,272 and 20,499,066

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,272 : 20,499,066 = 20,499,066 : x
2. Step 2: Convert to fraction form
   13,288,272/20,499,066 = 20,499,066/x
3. Step 3: Cross multiply
   13,288,272x = 20,499,066 × 20,499,066
4. Step 4: Simplify right side
   13,288,272x = 420,211,706,872,356
5. Step 5: Solve for x
   x = 420,211,706,872,356/13,288,272
6. Step 6: Final answer
   x = 31,622,750.26