Finding the Third Proportional to 77,121 and 105,062

Step by Step Solution

1. Step 1: Write the proportion equation
   77,121 : 105,062 = 105,062 : x
2. Step 2: Convert to fraction form
   77,121/105,062 = 105,062/x
3. Step 3: Cross multiply
   77,121x = 105,062 × 105,062
4. Step 4: Simplify right side
   77,121x = 11,038,023,844
5. Step 5: Solve for x
   x = 11,038,023,844/77,121
6. Step 6: Final answer
   x = 143,126.05