Finding the Third Proportional to 13,009 and 28,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009 : 28,929.50 = 28,929.50 : x
2. Step 2: Convert to fraction form
   13,009/28,929.50 = 28,929.50/x
3. Step 3: Cross multiply
   13,009x = 28,929.50 × 28,929.50
4. Step 4: Simplify right side
   13,009x = 836,915,970.25
5. Step 5: Solve for x
   x = 836,915,970.25/13,009
6. Step 6: Final answer
   x = 64,333.61