Finding the Third Proportional to 317,523 and 437,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   317,523 : 437,404.50 = 437,404.50 : x
2. Step 2: Convert to fraction form
   317,523/437,404.50 = 437,404.50/x
3. Step 3: Cross multiply
   317,523x = 437,404.50 × 437,404.50
4. Step 4: Simplify right side
   317,523x = 191,322,696,620.25
5. Step 5: Solve for x
   x = 191,322,696,620.25/317,523
6. Step 6: Final answer
   x = 602,547.52