Finding the Third Proportional to 61,087 and 89,447

Step by Step Solution

1. Step 1: Write the proportion equation
   61,087 : 89,447 = 89,447 : x
2. Step 2: Convert to fraction form
   61,087/89,447 = 89,447/x
3. Step 3: Cross multiply
   61,087x = 89,447 × 89,447
4. Step 4: Simplify right side
   61,087x = 8,000,765,809
5. Step 5: Solve for x
   x = 8,000,765,809/61,087
6. Step 6: Final answer
   x = 130,973.30