Finding the Third Proportional to 74,870.50 and 163,808

Step by Step Solution

1. Step 1: Write the proportion equation
   74,870.50 : 163,808 = 163,808 : x
2. Step 2: Convert to fraction form
   74,870.50/163,808 = 163,808/x
3. Step 3: Cross multiply
   74,870.50x = 163,808 × 163,808
4. Step 4: Simplify right side
   74,870.50x = 26,833,060,864
5. Step 5: Solve for x
   x = 26,833,060,864/74,870.50
6. Step 6: Final answer
   x = 358,392.97