Finding the Third Proportional to 27,778.13 and 42,350.63

Step by Step Solution

1. Step 1: Write the proportion equation
   27,778.13 : 42,350.63 = 42,350.63 : x
2. Step 2: Convert to fraction form
   27,778.13/42,350.63 = 42,350.63/x
3. Step 3: Cross multiply
   27,778.13x = 42,350.63 × 42,350.63
4. Step 4: Simplify right side
   27,778.13x = 1,793,575,437.89
5. Step 5: Solve for x
   x = 1,793,575,437.89/27,778.13
6. Step 6: Final answer
   x = 64,567.91