Finding the Third Proportional to 38,972.50 and 55,733.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,972.50 : 55,733.75 = 55,733.75 : x
2. Step 2: Convert to fraction form
   38,972.50/55,733.75 = 55,733.75/x
3. Step 3: Cross multiply
   38,972.50x = 55,733.75 × 55,733.75
4. Step 4: Simplify right side
   38,972.50x = 3,106,250,889.06
5. Step 5: Solve for x
   x = 3,106,250,889.06/38,972.50
6. Step 6: Final answer
   x = 79,703.66