Finding the Third Proportional to 141,481.69 and 210,300.05

Step by Step Solution

1. Step 1: Write the proportion equation
   141,481.69 : 210,300.05 = 210,300.05 : x
2. Step 2: Convert to fraction form
   141,481.69/210,300.05 = 210,300.05/x
3. Step 3: Cross multiply
   141,481.69x = 210,300.05 × 210,300.05
4. Step 4: Simplify right side
   141,481.69x = 44,226,109,715.63
5. Step 5: Solve for x
   x = 44,226,109,715.63/141,481.69
6. Step 6: Final answer
   x = 312,592.47