Finding the Third Proportional to 27,558 and 59,699.25

Step by Step Solution

1. Step 1: Write the proportion equation
   27,558 : 59,699.25 = 59,699.25 : x
2. Step 2: Convert to fraction form
   27,558/59,699.25 = 59,699.25/x
3. Step 3: Cross multiply
   27,558x = 59,699.25 × 59,699.25
4. Step 4: Simplify right side
   27,558x = 3,564,000,450.56
5. Step 5: Solve for x
   x = 3,564,000,450.56/27,558
6. Step 6: Final answer
   x = 129,327.25