Finding the Third Proportional to 141,012.56 and 307,749.38

Step by Step Solution

1. Step 1: Write the proportion equation
   141,012.56 : 307,749.38 = 307,749.38 : x
2. Step 2: Convert to fraction form
   141,012.56/307,749.38 = 307,749.38/x
3. Step 3: Cross multiply
   141,012.56x = 307,749.38 × 307,749.38
4. Step 4: Simplify right side
   141,012.56x = 94,709,677,812.89
5. Step 5: Solve for x
   x = 94,709,677,812.89/141,012.56
6. Step 6: Final answer
   x = 671,640.00