Finding the Third Proportional to 74,805 and 161,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,805 : 161,498.50 = 161,498.50 : x
2. Step 2: Convert to fraction form
   74,805/161,498.50 = 161,498.50/x
3. Step 3: Cross multiply
   74,805x = 161,498.50 × 161,498.50
4. Step 4: Simplify right side
   74,805x = 26,081,765,502.25
5. Step 5: Solve for x
   x = 26,081,765,502.25/74,805
6. Step 6: Final answer
   x = 348,663.40