Finding the Third Proportional to 152,390 and 334,300

Step by Step Solution

1. Step 1: Write the proportion equation
   152,390 : 334,300 = 334,300 : x
2. Step 2: Convert to fraction form
   152,390/334,300 = 334,300/x
3. Step 3: Cross multiply
   152,390x = 334,300 × 334,300
4. Step 4: Simplify right side
   152,390x = 111,756,490,000
5. Step 5: Solve for x
   x = 111,756,490,000/152,390
6. Step 6: Final answer
   x = 733,358.42