Finding the Third Proportional to 140,454 and 308,124

Step by Step Solution

1. Step 1: Write the proportion equation
   140,454 : 308,124 = 308,124 : x
2. Step 2: Convert to fraction form
   140,454/308,124 = 308,124/x
3. Step 3: Cross multiply
   140,454x = 308,124 × 308,124
4. Step 4: Simplify right side
   140,454x = 94,940,399,376
5. Step 5: Solve for x
   x = 94,940,399,376/140,454
6. Step 6: Final answer
   x = 675,953.69