Finding the Third Proportional to 27,321 and 58,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,321 : 58,639.50 = 58,639.50 : x
2. Step 2: Convert to fraction form
   27,321/58,639.50 = 58,639.50/x
3. Step 3: Cross multiply
   27,321x = 58,639.50 × 58,639.50
4. Step 4: Simplify right side
   27,321x = 3,438,590,960.25
5. Step 5: Solve for x
   x = 3,438,590,960.25/27,321
6. Step 6: Final answer
   x = 125,858.90