Finding the Third Proportional to 210,964.50 and 429,762

Step by Step Solution

1. Step 1: Write the proportion equation
   210,964.50 : 429,762 = 429,762 : x
2. Step 2: Convert to fraction form
   210,964.50/429,762 = 429,762/x
3. Step 3: Cross multiply
   210,964.50x = 429,762 × 429,762
4. Step 4: Simplify right side
   210,964.50x = 184,695,376,644
5. Step 5: Solve for x
   x = 184,695,376,644/210,964.50
6. Step 6: Final answer
   x = 875,480.84