Finding the Third Proportional to 99,560 and 154,158

Step by Step Solution

1. Step 1: Write the proportion equation
   99,560 : 154,158 = 154,158 : x
2. Step 2: Convert to fraction form
   99,560/154,158 = 154,158/x
3. Step 3: Cross multiply
   99,560x = 154,158 × 154,158
4. Step 4: Simplify right side
   99,560x = 23,764,688,964
5. Step 5: Solve for x
   x = 23,764,688,964/99,560
6. Step 6: Final answer
   x = 238,697.16