Finding the Third Proportional to 72,222 and 105,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,222 : 105,656.50 = 105,656.50 : x
2. Step 2: Convert to fraction form
   72,222/105,656.50 = 105,656.50/x
3. Step 3: Cross multiply
   72,222x = 105,656.50 × 105,656.50
4. Step 4: Simplify right side
   72,222x = 11,163,295,992.25
5. Step 5: Solve for x
   x = 11,163,295,992.25/72,222
6. Step 6: Final answer
   x = 154,569.19