Finding the Third Proportional to 323,127 and 690,235.88

Step by Step Solution

1. Step 1: Write the proportion equation
   323,127 : 690,235.88 = 690,235.88 : x
2. Step 2: Convert to fraction form
   323,127/690,235.88 = 690,235.88/x
3. Step 3: Cross multiply
   323,127x = 690,235.88 × 690,235.88
4. Step 4: Simplify right side
   323,127x = 476,425,563,137.02
5. Step 5: Solve for x
   x = 476,425,563,137.02/323,127
6. Step 6: Final answer
   x = 1,474,422.02