Finding the Third Proportional to 91,808,012.25 and 193,978,464.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,808,012.25 : 193,978,464.75 = 193,978,464.75 : x
2. Step 2: Convert to fraction form
   91,808,012.25/193,978,464.75 = 193,978,464.75/x
3. Step 3: Cross multiply
   91,808,012.25x = 193,978,464.75 × 193,978,464.75
4. Step 4: Simplify right side
   91,808,012.25x = 37,627,644,786,766,992
5. Step 5: Solve for x
   x = 37,627,644,786,766,992/91,808,012.25
6. Step 6: Final answer
   x = 409,851,426.52