Finding the Third Proportional to 92,178 and 141,588

Step by Step Solution

1. Step 1: Write the proportion equation
   92,178 : 141,588 = 141,588 : x
2. Step 2: Convert to fraction form
   92,178/141,588 = 141,588/x
3. Step 3: Cross multiply
   92,178x = 141,588 × 141,588
4. Step 4: Simplify right side
   92,178x = 20,047,161,744
5. Step 5: Solve for x
   x = 20,047,161,744/92,178
6. Step 6: Final answer
   x = 217,483.15