Finding the Third Proportional to 132,796 and 287,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,796 : 287,718.50 = 287,718.50 : x
2. Step 2: Convert to fraction form
   132,796/287,718.50 = 287,718.50/x
3. Step 3: Cross multiply
   132,796x = 287,718.50 × 287,718.50
4. Step 4: Simplify right side
   132,796x = 82,781,935,242.25
5. Step 5: Solve for x
   x = 82,781,935,242.25/132,796
6. Step 6: Final answer
   x = 623,376.72