Finding the Third Proportional to 27,818 and 61,855.38

Step by Step Solution

1. Step 1: Write the proportion equation
   27,818 : 61,855.38 = 61,855.38 : x
2. Step 2: Convert to fraction form
   27,818/61,855.38 = 61,855.38/x
3. Step 3: Cross multiply
   27,818x = 61,855.38 × 61,855.38
4. Step 4: Simplify right side
   27,818x = 3,826,087,416.39
5. Step 5: Solve for x
   x = 3,826,087,416.39/27,818
6. Step 6: Final answer
   x = 137,539.99