Finding the Third Proportional to 70,327 and 143,264

Step by Step Solution

1. Step 1: Write the proportion equation
   70,327 : 143,264 = 143,264 : x
2. Step 2: Convert to fraction form
   70,327/143,264 = 143,264/x
3. Step 3: Cross multiply
   70,327x = 143,264 × 143,264
4. Step 4: Simplify right side
   70,327x = 20,524,573,696
5. Step 5: Solve for x
   x = 20,524,573,696/70,327
6. Step 6: Final answer
   x = 291,844.86