Finding the Third Proportional to 72,457 and 153,054

Step by Step Solution

1. Step 1: Write the proportion equation
   72,457 : 153,054 = 153,054 : x
2. Step 2: Convert to fraction form
   72,457/153,054 = 153,054/x
3. Step 3: Cross multiply
   72,457x = 153,054 × 153,054
4. Step 4: Simplify right side
   72,457x = 23,425,526,916
5. Step 5: Solve for x
   x = 23,425,526,916/72,457
6. Step 6: Final answer
   x = 323,302.47