Finding the Third Proportional to 84,478.57 and 114,031.55

Step by Step Solution

1. Step 1: Write the proportion equation
   84,478.57 : 114,031.55 = 114,031.55 : x
2. Step 2: Convert to fraction form
   84,478.57/114,031.55 = 114,031.55/x
3. Step 3: Cross multiply
   84,478.57x = 114,031.55 × 114,031.55
4. Step 4: Simplify right side
   84,478.57x = 13,003,193,682.71
5. Step 5: Solve for x
   x = 13,003,193,682.71/84,478.57
6. Step 6: Final answer
   x = 153,922.98