Finding the Third Proportional to 147,870 and 229,389

Step by Step Solution

1. Step 1: Write the proportion equation
   147,870 : 229,389 = 229,389 : x
2. Step 2: Convert to fraction form
   147,870/229,389 = 229,389/x
3. Step 3: Cross multiply
   147,870x = 229,389 × 229,389
4. Step 4: Simplify right side
   147,870x = 52,619,313,321
5. Step 5: Solve for x
   x = 52,619,313,321/147,870
6. Step 6: Final answer
   x = 355,848.47