Finding the Third Proportional to 51,308 and 77,110

Step by Step Solution

1. Step 1: Write the proportion equation
   51,308 : 77,110 = 77,110 : x
2. Step 2: Convert to fraction form
   51,308/77,110 = 77,110/x
3. Step 3: Cross multiply
   51,308x = 77,110 × 77,110
4. Step 4: Simplify right side
   51,308x = 5,945,952,100
5. Step 5: Solve for x
   x = 5,945,952,100/51,308
6. Step 6: Final answer
   x = 115,887.43