Finding the Third Proportional to 297,444 and 453,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,444 : 453,134.50 = 453,134.50 : x
2. Step 2: Convert to fraction form
   297,444/453,134.50 = 453,134.50/x
3. Step 3: Cross multiply
   297,444x = 453,134.50 × 453,134.50
4. Step 4: Simplify right side
   297,444x = 205,330,875,090.25
5. Step 5: Solve for x
   x = 205,330,875,090.25/297,444
6. Step 6: Final answer
   x = 690,317.76