Finding the Third Proportional to 141,150 and 309,948

Step by Step Solution

1. Step 1: Write the proportion equation
   141,150 : 309,948 = 309,948 : x
2. Step 2: Convert to fraction form
   141,150/309,948 = 309,948/x
3. Step 3: Cross multiply
   141,150x = 309,948 × 309,948
4. Step 4: Simplify right side
   141,150x = 96,067,762,704
5. Step 5: Solve for x
   x = 96,067,762,704/141,150
6. Step 6: Final answer
   x = 680,607.60