Finding the Third Proportional to 142,488.84 and 222,359.91

Step by Step Solution

1. Step 1: Write the proportion equation
   142,488.84 : 222,359.91 = 222,359.91 : x
2. Step 2: Convert to fraction form
   142,488.84/222,359.91 = 222,359.91/x
3. Step 3: Cross multiply
   142,488.84x = 222,359.91 × 222,359.91
4. Step 4: Simplify right side
   142,488.84x = 49,443,927,907.51
5. Step 5: Solve for x
   x = 49,443,927,907.51/142,488.84
6. Step 6: Final answer
   x = 347,002.10