Finding the Third Proportional to 119,848.50 and 243,099

Step by Step Solution

1. Step 1: Write the proportion equation
   119,848.50 : 243,099 = 243,099 : x
2. Step 2: Convert to fraction form
   119,848.50/243,099 = 243,099/x
3. Step 3: Cross multiply
   119,848.50x = 243,099 × 243,099
4. Step 4: Simplify right side
   119,848.50x = 59,097,123,801
5. Step 5: Solve for x
   x = 59,097,123,801/119,848.50
6. Step 6: Final answer
   x = 493,098.57