Finding the Third Proportional to 93,690 and 142,884

Step by Step Solution

1. Step 1: Write the proportion equation
   93,690 : 142,884 = 142,884 : x
2. Step 2: Convert to fraction form
   93,690/142,884 = 142,884/x
3. Step 3: Cross multiply
   93,690x = 142,884 × 142,884
4. Step 4: Simplify right side
   93,690x = 20,415,837,456
5. Step 5: Solve for x
   x = 20,415,837,456/93,690
6. Step 6: Final answer
   x = 217,908.39