Finding the Third Proportional to 141,402.38 and 307,683

Step by Step Solution

1. Step 1: Write the proportion equation
   141,402.38 : 307,683 = 307,683 : x
2. Step 2: Convert to fraction form
   141,402.38/307,683 = 307,683/x
3. Step 3: Cross multiply
   141,402.38x = 307,683 × 307,683
4. Step 4: Simplify right side
   141,402.38x = 94,668,828,489
5. Step 5: Solve for x
   x = 94,668,828,489/141,402.38
6. Step 6: Final answer
   x = 669,499.56