Finding the Third Proportional to 141,442 and 308,132

Step by Step Solution

1. Step 1: Write the proportion equation
   141,442 : 308,132 = 308,132 : x
2. Step 2: Convert to fraction form
   141,442/308,132 = 308,132/x
3. Step 3: Cross multiply
   141,442x = 308,132 × 308,132
4. Step 4: Simplify right side
   141,442x = 94,945,329,424
5. Step 5: Solve for x
   x = 94,945,329,424/141,442
6. Step 6: Final answer
   x = 671,266.88