Finding the Third Proportional to 85,670.44 and 185,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   85,670.44 : 185,641.31 = 185,641.31 : x
2. Step 2: Convert to fraction form
   85,670.44/185,641.31 = 185,641.31/x
3. Step 3: Cross multiply
   85,670.44x = 185,641.31 × 185,641.31
4. Step 4: Simplify right side
   85,670.44x = 34,462,696,906.72
5. Step 5: Solve for x
   x = 34,462,696,906.72/85,670.44
6. Step 6: Final answer
   x = 402,270.58