Finding the Third Proportional to 401,932.50 and 622,072

Step by Step Solution

1. Step 1: Write the proportion equation
   401,932.50 : 622,072 = 622,072 : x
2. Step 2: Convert to fraction form
   401,932.50/622,072 = 622,072/x
3. Step 3: Cross multiply
   401,932.50x = 622,072 × 622,072
4. Step 4: Simplify right side
   401,932.50x = 386,973,573,184
5. Step 5: Solve for x
   x = 386,973,573,184/401,932.50
6. Step 6: Final answer
   x = 962,782.49