Finding the Third Proportional to 133,100.63 and 288,658.88

Step by Step Solution

1. Step 1: Write the proportion equation
   133,100.63 : 288,658.88 = 288,658.88 : x
2. Step 2: Convert to fraction form
   133,100.63/288,658.88 = 288,658.88/x
3. Step 3: Cross multiply
   133,100.63x = 288,658.88 × 288,658.88
4. Step 4: Simplify right side
   133,100.63x = 83,323,946,116.27
5. Step 5: Solve for x
   x = 83,323,946,116.27/133,100.63
6. Step 6: Final answer
   x = 626,022.20