Finding the Third Proportional to 74,784 and 161,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,784 : 161,308.50 = 161,308.50 : x
2. Step 2: Convert to fraction form
   74,784/161,308.50 = 161,308.50/x
3. Step 3: Cross multiply
   74,784x = 161,308.50 × 161,308.50
4. Step 4: Simplify right side
   74,784x = 26,020,432,172.25
5. Step 5: Solve for x
   x = 26,020,432,172.25/74,784
6. Step 6: Final answer
   x = 347,941.17