Finding the Third Proportional to 73,981 and 161,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,981 : 161,802.50 = 161,802.50 : x
2. Step 2: Convert to fraction form
   73,981/161,802.50 = 161,802.50/x
3. Step 3: Cross multiply
   73,981x = 161,802.50 × 161,802.50
4. Step 4: Simplify right side
   73,981x = 26,180,049,006.25
5. Step 5: Solve for x
   x = 26,180,049,006.25/73,981
6. Step 6: Final answer
   x = 353,875.31