Finding the Third Proportional to 28,620.38 and 42,102.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,620.38 : 42,102.38 = 42,102.38 : x
2. Step 2: Convert to fraction form
   28,620.38/42,102.38 = 42,102.38/x
3. Step 3: Cross multiply
   28,620.38x = 42,102.38 × 42,102.38
4. Step 4: Simplify right side
   28,620.38x = 1,772,609,980.64
5. Step 5: Solve for x
   x = 1,772,609,980.64/28,620.38
6. Step 6: Final answer
   x = 61,935.25