Finding the Third Proportional to 99,522 and 139,968

Step by Step Solution

1. Step 1: Write the proportion equation
   99,522 : 139,968 = 139,968 : x
2. Step 2: Convert to fraction form
   99,522/139,968 = 139,968/x
3. Step 3: Cross multiply
   99,522x = 139,968 × 139,968
4. Step 4: Simplify right side
   99,522x = 19,591,041,024
5. Step 5: Solve for x
   x = 19,591,041,024/99,522
6. Step 6: Final answer
   x = 196,851.36