Finding the Third Proportional to 329,026 and 714,426

Step by Step Solution

1. Step 1: Write the proportion equation
   329,026 : 714,426 = 714,426 : x
2. Step 2: Convert to fraction form
   329,026/714,426 = 714,426/x
3. Step 3: Cross multiply
   329,026x = 714,426 × 714,426
4. Step 4: Simplify right side
   329,026x = 510,404,509,476
5. Step 5: Solve for x
   x = 510,404,509,476/329,026
6. Step 6: Final answer
   x = 1,551,258.90