Finding the Third Proportional to 90,730 and 141,064

Step by Step Solution

1. Step 1: Write the proportion equation
   90,730 : 141,064 = 141,064 : x
2. Step 2: Convert to fraction form
   90,730/141,064 = 141,064/x
3. Step 3: Cross multiply
   90,730x = 141,064 × 141,064
4. Step 4: Simplify right side
   90,730x = 19,899,052,096
5. Step 5: Solve for x
   x = 19,899,052,096/90,730
6. Step 6: Final answer
   x = 219,321.64