Finding the Third Proportional to 91,892,021 and 142,268,984

Step by Step Solution

1. Step 1: Write the proportion equation
   91,892,021 : 142,268,984 = 142,268,984 : x
2. Step 2: Convert to fraction form
   91,892,021/142,268,984 = 142,268,984/x
3. Step 3: Cross multiply
   91,892,021x = 142,268,984 × 142,268,984
4. Step 4: Simplify right side
   91,892,021x = 20,240,463,808,392,256
5. Step 5: Solve for x
   x = 20,240,463,808,392,256/91,892,021
6. Step 6: Final answer
   x = 220,263,561.39