Finding the Third Proportional to 76,456 and 103,260

Step by Step Solution

1. Step 1: Write the proportion equation
   76,456 : 103,260 = 103,260 : x
2. Step 2: Convert to fraction form
   76,456/103,260 = 103,260/x
3. Step 3: Cross multiply
   76,456x = 103,260 × 103,260
4. Step 4: Simplify right side
   76,456x = 10,662,627,600
5. Step 5: Solve for x
   x = 10,662,627,600/76,456
6. Step 6: Final answer
   x = 139,460.97