Finding the Third Proportional to 15,429 and 33,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,429 : 33,889.50 = 33,889.50 : x
2. Step 2: Convert to fraction form
   15,429/33,889.50 = 33,889.50/x
3. Step 3: Cross multiply
   15,429x = 33,889.50 × 33,889.50
4. Step 4: Simplify right side
   15,429x = 1,148,498,210.25
5. Step 5: Solve for x
   x = 1,148,498,210.25/15,429
6. Step 6: Final answer
   x = 74,437.63