Finding the Third Proportional to 92,205 and 139,154

Step by Step Solution

1. Step 1: Write the proportion equation
   92,205 : 139,154 = 139,154 : x
2. Step 2: Convert to fraction form
   92,205/139,154 = 139,154/x
3. Step 3: Cross multiply
   92,205x = 139,154 × 139,154
4. Step 4: Simplify right side
   92,205x = 19,363,835,716
5. Step 5: Solve for x
   x = 19,363,835,716/92,205
6. Step 6: Final answer
   x = 210,008.52