Finding the Third Proportional to 53,280 and 88,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,280 : 88,786.50 = 88,786.50 : x
2. Step 2: Convert to fraction form
   53,280/88,786.50 = 88,786.50/x
3. Step 3: Cross multiply
   53,280x = 88,786.50 × 88,786.50
4. Step 4: Simplify right side
   53,280x = 7,883,042,582.25
5. Step 5: Solve for x
   x = 7,883,042,582.25/53,280
6. Step 6: Final answer
   x = 147,955.00