Finding the Third Proportional to 273,535.50 and 432,786

Step by Step Solution

1. Step 1: Write the proportion equation
   273,535.50 : 432,786 = 432,786 : x
2. Step 2: Convert to fraction form
   273,535.50/432,786 = 432,786/x
3. Step 3: Cross multiply
   273,535.50x = 432,786 × 432,786
4. Step 4: Simplify right side
   273,535.50x = 187,303,721,796
5. Step 5: Solve for x
   x = 187,303,721,796/273,535.50
6. Step 6: Final answer
   x = 684,751.05