Finding the Third Proportional to 35,639.13 and 82,870.00

Step by Step Solution

1. Step 1: Write the proportion equation
   35,639.13 : 82,870.00 = 82,870.00 : x
2. Step 2: Convert to fraction form
   35,639.13/82,870.00 = 82,870.00/x
3. Step 3: Cross multiply
   35,639.13x = 82,870.00 × 82,870.00
4. Step 4: Simplify right side
   35,639.13x = 6,867,436,980.93
5. Step 5: Solve for x
   x = 6,867,436,980.93/35,639.13
6. Step 6: Final answer
   x = 192,693.73