Finding the Third Proportional to 28,118.81 and 61,158.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,118.81 : 61,158.38 = 61,158.38 : x
2. Step 2: Convert to fraction form
   28,118.81/61,158.38 = 61,158.38/x
3. Step 3: Cross multiply
   28,118.81x = 61,158.38 × 61,158.38
4. Step 4: Simplify right side
   28,118.81x = 3,740,346,832.64
5. Step 5: Solve for x
   x = 3,740,346,832.64/28,118.81
6. Step 6: Final answer
   x = 133,019.37