Finding the Third Proportional to 13,309.88 and 29,320.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,309.88 : 29,320.31 = 29,320.31 : x
2. Step 2: Convert to fraction form
   13,309.88/29,320.31 = 29,320.31/x
3. Step 3: Cross multiply
   13,309.88x = 29,320.31 × 29,320.31
4. Step 4: Simplify right side
   13,309.88x = 859,680,725.10
5. Step 5: Solve for x
   x = 859,680,725.10/13,309.88
6. Step 6: Final answer
   x = 64,589.69