Finding the Third Proportional to 39,153 and 55,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,153 : 55,813.50 = 55,813.50 : x
2. Step 2: Convert to fraction form
   39,153/55,813.50 = 55,813.50/x
3. Step 3: Cross multiply
   39,153x = 55,813.50 × 55,813.50
4. Step 4: Simplify right side
   39,153x = 3,115,146,782.25
5. Step 5: Solve for x
   x = 3,115,146,782.25/39,153
6. Step 6: Final answer
   x = 79,563.43