Finding the Third Proportional to 27,888.68 and 42,486.71

Step by Step Solution

1. Step 1: Write the proportion equation
   27,888.68 : 42,486.71 = 42,486.71 : x
2. Step 2: Convert to fraction form
   27,888.68/42,486.71 = 42,486.71/x
3. Step 3: Cross multiply
   27,888.68x = 42,486.71 × 42,486.71
4. Step 4: Simplify right side
   27,888.68x = 1,805,120,938.21
5. Step 5: Solve for x
   x = 1,805,120,938.21/27,888.68
6. Step 6: Final answer
   x = 64,725.94