Finding the Third Proportional to 146,358 and 304,290

Step by Step Solution

1. Step 1: Write the proportion equation
   146,358 : 304,290 = 304,290 : x
2. Step 2: Convert to fraction form
   146,358/304,290 = 304,290/x
3. Step 3: Cross multiply
   146,358x = 304,290 × 304,290
4. Step 4: Simplify right side
   146,358x = 92,592,404,100
5. Step 5: Solve for x
   x = 92,592,404,100/146,358
6. Step 6: Final answer
   x = 632,643.27