Finding the Third Proportional to 148,034.50 and 213,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,034.50 : 213,668.50 = 213,668.50 : x
2. Step 2: Convert to fraction form
   148,034.50/213,668.50 = 213,668.50/x
3. Step 3: Cross multiply
   148,034.50x = 213,668.50 × 213,668.50
4. Step 4: Simplify right side
   148,034.50x = 45,654,227,892.25
5. Step 5: Solve for x
   x = 45,654,227,892.25/148,034.50
6. Step 6: Final answer
   x = 308,402.62