Finding the Third Proportional to 90,045 and 145,044

Step by Step Solution

1. Step 1: Write the proportion equation
   90,045 : 145,044 = 145,044 : x
2. Step 2: Convert to fraction form
   90,045/145,044 = 145,044/x
3. Step 3: Cross multiply
   90,045x = 145,044 × 145,044
4. Step 4: Simplify right side
   90,045x = 21,037,761,936
5. Step 5: Solve for x
   x = 21,037,761,936/90,045
6. Step 6: Final answer
   x = 233,636.09