Finding the Third Proportional to 15,378.19 and 32,590.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,378.19 : 32,590.69 = 32,590.69 : x
2. Step 2: Convert to fraction form
   15,378.19/32,590.69 = 32,590.69/x
3. Step 3: Cross multiply
   15,378.19x = 32,590.69 × 32,590.69
4. Step 4: Simplify right side
   15,378.19x = 1,062,152,911.72
5. Step 5: Solve for x
   x = 1,062,152,911.72/15,378.19
6. Step 6: Final answer
   x = 69,068.80