Finding the Third Proportional to 328,472.50 and 706,046

Step by Step Solution

1. Step 1: Write the proportion equation
   328,472.50 : 706,046 = 706,046 : x
2. Step 2: Convert to fraction form
   328,472.50/706,046 = 706,046/x
3. Step 3: Cross multiply
   328,472.50x = 706,046 × 706,046
4. Step 4: Simplify right side
   328,472.50x = 498,500,954,116
5. Step 5: Solve for x
   x = 498,500,954,116/328,472.50
6. Step 6: Final answer
   x = 1,517,633.76