Finding the Third Proportional to 61,478 and 88,851

Step by Step Solution

1. Step 1: Write the proportion equation
   61,478 : 88,851 = 88,851 : x
2. Step 2: Convert to fraction form
   61,478/88,851 = 88,851/x
3. Step 3: Cross multiply
   61,478x = 88,851 × 88,851
4. Step 4: Simplify right side
   61,478x = 7,894,500,201
5. Step 5: Solve for x
   x = 7,894,500,201/61,478
6. Step 6: Final answer
   x = 128,411.79