Finding the Third Proportional to 175,513.50 and 288,300

Step by Step Solution

1. Step 1: Write the proportion equation
   175,513.50 : 288,300 = 288,300 : x
2. Step 2: Convert to fraction form
   175,513.50/288,300 = 288,300/x
3. Step 3: Cross multiply
   175,513.50x = 288,300 × 288,300
4. Step 4: Simplify right side
   175,513.50x = 83,116,890,000
5. Step 5: Solve for x
   x = 83,116,890,000/175,513.50
6. Step 6: Final answer
   x = 473,564.08