Finding the Third Proportional to 139,776 and 186,226.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,776 : 186,226.50 = 186,226.50 : x
2. Step 2: Convert to fraction form
   139,776/186,226.50 = 186,226.50/x
3. Step 3: Cross multiply
   139,776x = 186,226.50 × 186,226.50
4. Step 4: Simplify right side
   139,776x = 34,680,309,302.25
5. Step 5: Solve for x
   x = 34,680,309,302.25/139,776
6. Step 6: Final answer
   x = 248,113.48