Finding the Third Proportional to 13,884,164,147 and 21,151,089,548

Step by Step Solution

1. Step 1: Write the proportion equation
   13,884,164,147 : 21,151,089,548 = 21,151,089,548 : x
2. Step 2: Convert to fraction form
   13,884,164,147/21,151,089,548 = 21,151,089,548/x
3. Step 3: Cross multiply
   13,884,164,147x = 21,151,089,548 × 21,151,089,548
4. Step 4: Simplify right side
   13,884,164,147x = 447,368,589,067,514,871,808
5. Step 5: Solve for x
   x = 447,368,589,067,514,871,808/13,884,164,147
6. Step 6: Final answer
   x = 32,221,499,568.21