Finding the Third Proportional to 72,855 and 115,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,855 : 115,846.50 = 115,846.50 : x
2. Step 2: Convert to fraction form
   72,855/115,846.50 = 115,846.50/x
3. Step 3: Cross multiply
   72,855x = 115,846.50 × 115,846.50
4. Step 4: Simplify right side
   72,855x = 13,420,411,562.25
5. Step 5: Solve for x
   x = 13,420,411,562.25/72,855
6. Step 6: Final answer
   x = 184,207.15