Finding the Third Proportional to 60,171,660 and 91,667,968

Step by Step Solution

1. Step 1: Write the proportion equation
   60,171,660 : 91,667,968 = 91,667,968 : x
2. Step 2: Convert to fraction form
   60,171,660/91,667,968 = 91,667,968/x
3. Step 3: Cross multiply
   60,171,660x = 91,667,968 × 91,667,968
4. Step 4: Simplify right side
   60,171,660x = 8,403,016,357,249,024
5. Step 5: Solve for x
   x = 8,403,016,357,249,024/60,171,660
6. Step 6: Final answer
   x = 139,650,731.88