Finding the Third Proportional to 154,857 and 234,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,857 : 234,428.50 = 234,428.50 : x
2. Step 2: Convert to fraction form
   154,857/234,428.50 = 234,428.50/x
3. Step 3: Cross multiply
   154,857x = 234,428.50 × 234,428.50
4. Step 4: Simplify right side
   154,857x = 54,956,721,612.25
5. Step 5: Solve for x
   x = 54,956,721,612.25/154,857
6. Step 6: Final answer
   x = 354,886.91