Finding the Third Proportional to 56,376 and 89,203

Step by Step Solution

1. Step 1: Write the proportion equation
   56,376 : 89,203 = 89,203 : x
2. Step 2: Convert to fraction form
   56,376/89,203 = 89,203/x
3. Step 3: Cross multiply
   56,376x = 89,203 × 89,203
4. Step 4: Simplify right side
   56,376x = 7,957,175,209
5. Step 5: Solve for x
   x = 7,957,175,209/56,376
6. Step 6: Final answer
   x = 141,144.73