Finding the Third Proportional to 146,723.91 and 309,209.91

Step by Step Solution

1. Step 1: Write the proportion equation
   146,723.91 : 309,209.91 = 309,209.91 : x
2. Step 2: Convert to fraction form
   146,723.91/309,209.91 = 309,209.91/x
3. Step 3: Cross multiply
   146,723.91x = 309,209.91 × 309,209.91
4. Step 4: Simplify right side
   146,723.91x = 95,610,766,123.13
5. Step 5: Solve for x
   x = 95,610,766,123.13/146,723.91
6. Step 6: Final answer
   x = 651,637.27