Finding the Third Proportional to 148,051.69 and 238,429.69

Step by Step Solution

1. Step 1: Write the proportion equation
   148,051.69 : 238,429.69 = 238,429.69 : x
2. Step 2: Convert to fraction form
   148,051.69/238,429.69 = 238,429.69/x
3. Step 3: Cross multiply
   148,051.69x = 238,429.69 × 238,429.69
4. Step 4: Simplify right side
   148,051.69x = 56,848,715,881.35
5. Step 5: Solve for x
   x = 56,848,715,881.35/148,051.69
6. Step 6: Final answer
   x = 383,978.84