Finding the Third Proportional to 140,584 and 302,672

Step by Step Solution

1. Step 1: Write the proportion equation
   140,584 : 302,672 = 302,672 : x
2. Step 2: Convert to fraction form
   140,584/302,672 = 302,672/x
3. Step 3: Cross multiply
   140,584x = 302,672 × 302,672
4. Step 4: Simplify right side
   140,584x = 91,610,339,584
5. Step 5: Solve for x
   x = 91,610,339,584/140,584
6. Step 6: Final answer
   x = 651,641.29