Finding the Third Proportional to 42,346 and 58,119

Step by Step Solution

1. Step 1: Write the proportion equation
   42,346 : 58,119 = 58,119 : x
2. Step 2: Convert to fraction form
   42,346/58,119 = 58,119/x
3. Step 3: Cross multiply
   42,346x = 58,119 × 58,119
4. Step 4: Simplify right side
   42,346x = 3,377,818,161
5. Step 5: Solve for x
   x = 3,377,818,161/42,346
6. Step 6: Final answer
   x = 79,767.11