Finding the Third Proportional to 38,887.59 and 58,688.30

Step by Step Solution

1. Step 1: Write the proportion equation
   38,887.59 : 58,688.30 = 58,688.30 : x
2. Step 2: Convert to fraction form
   38,887.59/58,688.30 = 58,688.30/x
3. Step 3: Cross multiply
   38,887.59x = 58,688.30 × 58,688.30
4. Step 4: Simplify right side
   38,887.59x = 3,444,316,190.09
5. Step 5: Solve for x
   x = 3,444,316,190.09/38,887.59
6. Step 6: Final answer
   x = 88,571.08