Finding the Third Proportional to 58,360 and 128,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,360 : 128,066.50 = 128,066.50 : x
2. Step 2: Convert to fraction form
   58,360/128,066.50 = 128,066.50/x
3. Step 3: Cross multiply
   58,360x = 128,066.50 × 128,066.50
4. Step 4: Simplify right side
   58,360x = 16,401,028,422.25
5. Step 5: Solve for x
   x = 16,401,028,422.25/58,360
6. Step 6: Final answer
   x = 281,032.02