Finding the Third Proportional to 186,410.81 and 409,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   186,410.81 : 409,111.88 = 409,111.88 : x
2. Step 2: Convert to fraction form
   186,410.81/409,111.88 = 409,111.88/x
3. Step 3: Cross multiply
   186,410.81x = 409,111.88 × 409,111.88
4. Step 4: Simplify right side
   186,410.81x = 167,372,526,266.02
5. Step 5: Solve for x
   x = 167,372,526,266.02/186,410.81
6. Step 6: Final answer
   x = 897,869.20