Finding the Third Proportional to 81,678.38 and 130,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,678.38 : 130,050.56 = 130,050.56 : x
2. Step 2: Convert to fraction form
   81,678.38/130,050.56 = 130,050.56/x
3. Step 3: Cross multiply
   81,678.38x = 130,050.56 × 130,050.56
4. Step 4: Simplify right side
   81,678.38x = 16,913,148,806.57
5. Step 5: Solve for x
   x = 16,913,148,806.57/81,678.38
6. Step 6: Final answer
   x = 207,070.09