Finding the Third Proportional to 196,572.45 and 429,947.37

Step by Step Solution

1. Step 1: Write the proportion equation
   196,572.45 : 429,947.37 = 429,947.37 : x
2. Step 2: Convert to fraction form
   196,572.45/429,947.37 = 429,947.37/x
3. Step 3: Cross multiply
   196,572.45x = 429,947.37 × 429,947.37
4. Step 4: Simplify right side
   196,572.45x = 184,854,738,551.46
5. Step 5: Solve for x
   x = 184,854,738,551.46/196,572.45
6. Step 6: Final answer
   x = 940,389.88