Finding the Third Proportional to 30,003.75 and 42,877.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,003.75 : 42,877.69 = 42,877.69 : x
2. Step 2: Convert to fraction form
   30,003.75/42,877.69 = 42,877.69/x
3. Step 3: Cross multiply
   30,003.75x = 42,877.69 × 42,877.69
4. Step 4: Simplify right side
   30,003.75x = 1,838,496,085.35
5. Step 5: Solve for x
   x = 1,838,496,085.35/30,003.75
6. Step 6: Final answer
   x = 61,275.54