Finding the Third Proportional to 25,811,438 and 56,174,740

Step by Step Solution

1. Step 1: Write the proportion equation
   25,811,438 : 56,174,740 = 56,174,740 : x
2. Step 2: Convert to fraction form
   25,811,438/56,174,740 = 56,174,740/x
3. Step 3: Cross multiply
   25,811,438x = 56,174,740 × 56,174,740
4. Step 4: Simplify right side
   25,811,438x = 3,155,601,414,067,600
5. Step 5: Solve for x
   x = 3,155,601,414,067,600/25,811,438
6. Step 6: Final answer
   x = 122,255,932.20