Finding the Third Proportional to 72,346.50 and 112,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,346.50 : 112,009.50 = 112,009.50 : x
2. Step 2: Convert to fraction form
   72,346.50/112,009.50 = 112,009.50/x
3. Step 3: Cross multiply
   72,346.50x = 112,009.50 × 112,009.50
4. Step 4: Simplify right side
   72,346.50x = 12,546,128,090.25
5. Step 5: Solve for x
   x = 12,546,128,090.25/72,346.50
6. Step 6: Final answer
   x = 173,417.21