Finding the Third Proportional to 70,898.63 and 109,782

Step by Step Solution

1. Step 1: Write the proportion equation
   70,898.63 : 109,782 = 109,782 : x
2. Step 2: Convert to fraction form
   70,898.63/109,782 = 109,782/x
3. Step 3: Cross multiply
   70,898.63x = 109,782 × 109,782
4. Step 4: Simplify right side
   70,898.63x = 12,052,087,524
5. Step 5: Solve for x
   x = 12,052,087,524/70,898.63
6. Step 6: Final answer
   x = 169,990.43