Finding the Third Proportional to 61,470 and 88,839

Step by Step Solution

1. Step 1: Write the proportion equation
   61,470 : 88,839 = 88,839 : x
2. Step 2: Convert to fraction form
   61,470/88,839 = 88,839/x
3. Step 3: Cross multiply
   61,470x = 88,839 × 88,839
4. Step 4: Simplify right side
   61,470x = 7,892,367,921
5. Step 5: Solve for x
   x = 7,892,367,921/61,470
6. Step 6: Final answer
   x = 128,393.82