Finding the Third Proportional to 92,410 and 139,134

Step by Step Solution

1. Step 1: Write the proportion equation
   92,410 : 139,134 = 139,134 : x
2. Step 2: Convert to fraction form
   92,410/139,134 = 139,134/x
3. Step 3: Cross multiply
   92,410x = 139,134 × 139,134
4. Step 4: Simplify right side
   92,410x = 19,358,269,956
5. Step 5: Solve for x
   x = 19,358,269,956/92,410
6. Step 6: Final answer
   x = 209,482.41