Finding the Third Proportional to 90,784 and 140,732

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784 : 140,732 = 140,732 : x
2. Step 2: Convert to fraction form
   90,784/140,732 = 140,732/x
3. Step 3: Cross multiply
   90,784x = 140,732 × 140,732
4. Step 4: Simplify right side
   90,784x = 19,805,495,824
5. Step 5: Solve for x
   x = 19,805,495,824/90,784
6. Step 6: Final answer
   x = 218,160.64