Finding the Third Proportional to 140,526 and 215,973

Step by Step Solution

1. Step 1: Write the proportion equation
   140,526 : 215,973 = 215,973 : x
2. Step 2: Convert to fraction form
   140,526/215,973 = 215,973/x
3. Step 3: Cross multiply
   140,526x = 215,973 × 215,973
4. Step 4: Simplify right side
   140,526x = 46,644,336,729
5. Step 5: Solve for x
   x = 46,644,336,729/140,526
6. Step 6: Final answer
   x = 331,926.74