Finding the Third Proportional to 15,898.50 and 34,258

Step by Step Solution

1. Step 1: Write the proportion equation
   15,898.50 : 34,258 = 34,258 : x
2. Step 2: Convert to fraction form
   15,898.50/34,258 = 34,258/x
3. Step 3: Cross multiply
   15,898.50x = 34,258 × 34,258
4. Step 4: Simplify right side
   15,898.50x = 1,173,610,564
5. Step 5: Solve for x
   x = 1,173,610,564/15,898.50
6. Step 6: Final answer
   x = 73,818.95