Finding the Third Proportional to 28,677.94 and 42,170.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,677.94 : 42,170.06 = 42,170.06 : x
2. Step 2: Convert to fraction form
   28,677.94/42,170.06 = 42,170.06/x
3. Step 3: Cross multiply
   28,677.94x = 42,170.06 × 42,170.06
4. Step 4: Simplify right side
   28,677.94x = 1,778,314,171.25
5. Step 5: Solve for x
   x = 1,778,314,171.25/28,677.94
6. Step 6: Final answer
   x = 62,009.83