Finding the Third Proportional to 58,354.50 and 128,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,354.50 : 128,053.50 = 128,053.50 : x
2. Step 2: Convert to fraction form
   58,354.50/128,053.50 = 128,053.50/x
3. Step 3: Cross multiply
   58,354.50x = 128,053.50 × 128,053.50
4. Step 4: Simplify right side
   58,354.50x = 16,397,698,862.25
5. Step 5: Solve for x
   x = 16,397,698,862.25/58,354.50
6. Step 6: Final answer
   x = 281,001.45