Finding the Third Proportional to 147,423 and 222,354

Step by Step Solution

1. Step 1: Write the proportion equation
   147,423 : 222,354 = 222,354 : x
2. Step 2: Convert to fraction form
   147,423/222,354 = 222,354/x
3. Step 3: Cross multiply
   147,423x = 222,354 × 222,354
4. Step 4: Simplify right side
   147,423x = 49,441,301,316
5. Step 5: Solve for x
   x = 49,441,301,316/147,423
6. Step 6: Final answer
   x = 335,370.34