Finding the Third Proportional to 99,372 and 148,680

Step by Step Solution

1. Step 1: Write the proportion equation
   99,372 : 148,680 = 148,680 : x
2. Step 2: Convert to fraction form
   99,372/148,680 = 148,680/x
3. Step 3: Cross multiply
   99,372x = 148,680 × 148,680
4. Step 4: Simplify right side
   99,372x = 22,105,742,400
5. Step 5: Solve for x
   x = 22,105,742,400/99,372
6. Step 6: Final answer
   x = 222,454.44