Finding the Third Proportional to 92,430 and 139,301

Step by Step Solution

1. Step 1: Write the proportion equation
   92,430 : 139,301 = 139,301 : x
2. Step 2: Convert to fraction form
   92,430/139,301 = 139,301/x
3. Step 3: Cross multiply
   92,430x = 139,301 × 139,301
4. Step 4: Simplify right side
   92,430x = 19,404,768,601
5. Step 5: Solve for x
   x = 19,404,768,601/92,430
6. Step 6: Final answer
   x = 209,940.16