Finding the Third Proportional to 67,487 and 147,684.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,487 : 147,684.75 = 147,684.75 : x
2. Step 2: Convert to fraction form
   67,487/147,684.75 = 147,684.75/x
3. Step 3: Cross multiply
   67,487x = 147,684.75 × 147,684.75
4. Step 4: Simplify right side
   67,487x = 21,810,785,382.56
5. Step 5: Solve for x
   x = 21,810,785,382.56/67,487
6. Step 6: Final answer
   x = 323,184.99