Finding the Third Proportional to 28,756.31 and 61,510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,756.31 : 61,510.69 = 61,510.69 : x
2. Step 2: Convert to fraction form
   28,756.31/61,510.69 = 61,510.69/x
3. Step 3: Cross multiply
   28,756.31x = 61,510.69 × 61,510.69
4. Step 4: Simplify right side
   28,756.31x = 3,783,564,676.72
5. Step 5: Solve for x
   x = 3,783,564,676.72/28,756.31
6. Step 6: Final answer
   x = 131,573.36