Finding the Third Proportional to 92,368.69 and 139,213.69

Step by Step Solution

1. Step 1: Write the proportion equation
   92,368.69 : 139,213.69 = 139,213.69 : x
2. Step 2: Convert to fraction form
   92,368.69/139,213.69 = 139,213.69/x
3. Step 3: Cross multiply
   92,368.69x = 139,213.69 × 139,213.69
4. Step 4: Simplify right side
   92,368.69x = 19,380,450,787.35
5. Step 5: Solve for x
   x = 19,380,450,787.35/92,368.69
6. Step 6: Final answer
   x = 209,816.24