Finding the Third Proportional to 51,915.38 and 81,333

Step by Step Solution

1. Step 1: Write the proportion equation
   51,915.38 : 81,333 = 81,333 : x
2. Step 2: Convert to fraction form
   51,915.38/81,333 = 81,333/x
3. Step 3: Cross multiply
   51,915.38x = 81,333 × 81,333
4. Step 4: Simplify right side
   51,915.38x = 6,615,056,889
5. Step 5: Solve for x
   x = 6,615,056,889/51,915.38
6. Step 6: Final answer
   x = 127,420.00