Finding the Third Proportional to 141,590 and 308,938

Step by Step Solution

1. Step 1: Write the proportion equation
   141,590 : 308,938 = 308,938 : x
2. Step 2: Convert to fraction form
   141,590/308,938 = 308,938/x
3. Step 3: Cross multiply
   141,590x = 308,938 × 308,938
4. Step 4: Simplify right side
   141,590x = 95,442,687,844
5. Step 5: Solve for x
   x = 95,442,687,844/141,590
6. Step 6: Final answer
   x = 674,077.89