Finding the Third Proportional to 28,312.50 and 55,911

Step by Step Solution

1. Step 1: Write the proportion equation
   28,312.50 : 55,911 = 55,911 : x
2. Step 2: Convert to fraction form
   28,312.50/55,911 = 55,911/x
3. Step 3: Cross multiply
   28,312.50x = 55,911 × 55,911
4. Step 4: Simplify right side
   28,312.50x = 3,126,039,921
5. Step 5: Solve for x
   x = 3,126,039,921/28,312.50
6. Step 6: Final answer
   x = 110,412.01