Finding the Third Proportional to 186,079 and 403,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,079 : 403,664.50 = 403,664.50 : x
2. Step 2: Convert to fraction form
   186,079/403,664.50 = 403,664.50/x
3. Step 3: Cross multiply
   186,079x = 403,664.50 × 403,664.50
4. Step 4: Simplify right side
   186,079x = 162,945,028,560.25
5. Step 5: Solve for x
   x = 162,945,028,560.25/186,079
6. Step 6: Final answer
   x = 875,676.61