Finding the Third Proportional to 147,124 and 314,984

Step by Step Solution

1. Step 1: Write the proportion equation
   147,124 : 314,984 = 314,984 : x
2. Step 2: Convert to fraction form
   147,124/314,984 = 314,984/x
3. Step 3: Cross multiply
   147,124x = 314,984 × 314,984
4. Step 4: Simplify right side
   147,124x = 99,214,920,256
5. Step 5: Solve for x
   x = 99,214,920,256/147,124
6. Step 6: Final answer
   x = 674,362.58