Finding the Third Proportional to 28,759.90 and 58,913.74

Step by Step Solution

1. Step 1: Write the proportion equation
   28,759.90 : 58,913.74 = 58,913.74 : x
2. Step 2: Convert to fraction form
   28,759.90/58,913.74 = 58,913.74/x
3. Step 3: Cross multiply
   28,759.90x = 58,913.74 × 58,913.74
4. Step 4: Simplify right side
   28,759.90x = 3,470,828,328.14
5. Step 5: Solve for x
   x = 3,470,828,328.14/28,759.90
6. Step 6: Final answer
   x = 120,682.89