Finding the Third Proportional to 58,782.38 and 89,548.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,782.38 : 89,548.88 = 89,548.88 : x
2. Step 2: Convert to fraction form
   58,782.38/89,548.88 = 89,548.88/x
3. Step 3: Cross multiply
   58,782.38x = 89,548.88 × 89,548.88
4. Step 4: Simplify right side
   58,782.38x = 8,019,001,013.77
5. Step 5: Solve for x
   x = 8,019,001,013.77/58,782.38
6. Step 6: Final answer
   x = 136,418.46