Finding the Third Proportional to 42,930 and 63,112

Step by Step Solution

1. Step 1: Write the proportion equation
   42,930 : 63,112 = 63,112 : x
2. Step 2: Convert to fraction form
   42,930/63,112 = 63,112/x
3. Step 3: Cross multiply
   42,930x = 63,112 × 63,112
4. Step 4: Simplify right side
   42,930x = 3,983,124,544
5. Step 5: Solve for x
   x = 3,983,124,544/42,930
6. Step 6: Final answer
   x = 92,781.84