Finding the Third Proportional to 15,931 and 34,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,931 : 34,656.50 = 34,656.50 : x
2. Step 2: Convert to fraction form
   15,931/34,656.50 = 34,656.50/x
3. Step 3: Cross multiply
   15,931x = 34,656.50 × 34,656.50
4. Step 4: Simplify right side
   15,931x = 1,201,072,992.25
5. Step 5: Solve for x
   x = 1,201,072,992.25/15,931
6. Step 6: Final answer
   x = 75,392.19