Finding the Third Proportional to 64,407 and 141,010

Step by Step Solution

1. Step 1: Write the proportion equation
   64,407 : 141,010 = 141,010 : x
2. Step 2: Convert to fraction form
   64,407/141,010 = 141,010/x
3. Step 3: Cross multiply
   64,407x = 141,010 × 141,010
4. Step 4: Simplify right side
   64,407x = 19,883,820,100
5. Step 5: Solve for x
   x = 19,883,820,100/64,407
6. Step 6: Final answer
   x = 308,721.41