Finding the Third Proportional to 94,212 and 139,590

Step by Step Solution

1. Step 1: Write the proportion equation
   94,212 : 139,590 = 139,590 : x
2. Step 2: Convert to fraction form
   94,212/139,590 = 139,590/x
3. Step 3: Cross multiply
   94,212x = 139,590 × 139,590
4. Step 4: Simplify right side
   94,212x = 19,485,368,100
5. Step 5: Solve for x
   x = 19,485,368,100/94,212
6. Step 6: Final answer
   x = 206,824.69