Finding the Third Proportional to 42,012.75 and 65,084.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.75 : 65,084.63 = 65,084.63 : x
2. Step 2: Convert to fraction form
   42,012.75/65,084.63 = 65,084.63/x
3. Step 3: Cross multiply
   42,012.75x = 65,084.63 × 65,084.63
4. Step 4: Simplify right side
   42,012.75x = 4,236,008,411.39
5. Step 5: Solve for x
   x = 4,236,008,411.39/42,012.75
6. Step 6: Final answer
   x = 100,826.74