Finding the Third Proportional to 46,139 and 72,283

Step by Step Solution

1. Step 1: Write the proportion equation
   46,139 : 72,283 = 72,283 : x
2. Step 2: Convert to fraction form
   46,139/72,283 = 72,283/x
3. Step 3: Cross multiply
   46,139x = 72,283 × 72,283
4. Step 4: Simplify right side
   46,139x = 5,224,832,089
5. Step 5: Solve for x
   x = 5,224,832,089/46,139
6. Step 6: Final answer
   x = 113,241.12