Finding the Third Proportional to 63,429.75 and 147,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,429.75 : 147,487.50 = 147,487.50 : x
2. Step 2: Convert to fraction form
   63,429.75/147,487.50 = 147,487.50/x
3. Step 3: Cross multiply
   63,429.75x = 147,487.50 × 147,487.50
4. Step 4: Simplify right side
   63,429.75x = 21,752,562,656.25
5. Step 5: Solve for x
   x = 21,752,562,656.25/63,429.75
6. Step 6: Final answer
   x = 342,939.44