Finding the Third Proportional to 42,978.38 and 92,305.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.38 : 92,305.13 = 92,305.13 : x
2. Step 2: Convert to fraction form
   42,978.38/92,305.13 = 92,305.13/x
3. Step 3: Cross multiply
   42,978.38x = 92,305.13 × 92,305.13
4. Step 4: Simplify right side
   42,978.38x = 8,520,236,101.27
5. Step 5: Solve for x
   x = 8,520,236,101.27/42,978.38
6. Step 6: Final answer
   x = 198,244.72