Finding the Third Proportional to 38,989 and 55,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,989 : 55,567.50 = 55,567.50 : x
2. Step 2: Convert to fraction form
   38,989/55,567.50 = 55,567.50/x
3. Step 3: Cross multiply
   38,989x = 55,567.50 × 55,567.50
4. Step 4: Simplify right side
   38,989x = 3,087,747,056.25
5. Step 5: Solve for x
   x = 3,087,747,056.25/38,989
6. Step 6: Final answer
   x = 79,195.34