Finding the Third Proportional to 28,621.88 and 42,104.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,621.88 : 42,104.63 = 42,104.63 : x
2. Step 2: Convert to fraction form
   28,621.88/42,104.63 = 42,104.63/x
3. Step 3: Cross multiply
   28,621.88x = 42,104.63 × 42,104.63
4. Step 4: Simplify right side
   28,621.88x = 1,772,799,446.39
5. Step 5: Solve for x
   x = 1,772,799,446.39/28,621.88
6. Step 6: Final answer
   x = 61,938.62