Finding the Third Proportional to 148,456 and 304,200

Step by Step Solution

1. Step 1: Write the proportion equation
   148,456 : 304,200 = 304,200 : x
2. Step 2: Convert to fraction form
   148,456/304,200 = 304,200/x
3. Step 3: Cross multiply
   148,456x = 304,200 × 304,200
4. Step 4: Simplify right side
   148,456x = 92,537,640,000
5. Step 5: Solve for x
   x = 92,537,640,000/148,456
6. Step 6: Final answer
   x = 623,333.78