Finding the Third Proportional to 61,452 and 90,146

Step by Step Solution

1. Step 1: Write the proportion equation
   61,452 : 90,146 = 90,146 : x
2. Step 2: Convert to fraction form
   61,452/90,146 = 90,146/x
3. Step 3: Cross multiply
   61,452x = 90,146 × 90,146
4. Step 4: Simplify right side
   61,452x = 8,126,301,316
5. Step 5: Solve for x
   x = 8,126,301,316/61,452
6. Step 6: Final answer
   x = 132,238.19