Finding the Third Proportional to 329,404 and 719,046

Step by Step Solution

1. Step 1: Write the proportion equation
   329,404 : 719,046 = 719,046 : x
2. Step 2: Convert to fraction form
   329,404/719,046 = 719,046/x
3. Step 3: Cross multiply
   329,404x = 719,046 × 719,046
4. Step 4: Simplify right side
   329,404x = 517,027,150,116
5. Step 5: Solve for x
   x = 517,027,150,116/329,404
6. Step 6: Final answer
   x = 1,569,583.70