Finding the Third Proportional to 132,471 and 286,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,471 : 286,069.50 = 286,069.50 : x
2. Step 2: Convert to fraction form
   132,471/286,069.50 = 286,069.50/x
3. Step 3: Cross multiply
   132,471x = 286,069.50 × 286,069.50
4. Step 4: Simplify right side
   132,471x = 81,835,758,830.25
5. Step 5: Solve for x
   x = 81,835,758,830.25/132,471
6. Step 6: Final answer
   x = 617,763.58