Finding the Third Proportional to 473,485 and 637,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   473,485 : 637,933.50 = 637,933.50 : x
2. Step 2: Convert to fraction form
   473,485/637,933.50 = 637,933.50/x
3. Step 3: Cross multiply
   473,485x = 637,933.50 × 637,933.50
4. Step 4: Simplify right side
   473,485x = 406,959,150,422.25
5. Step 5: Solve for x
   x = 406,959,150,422.25/473,485
6. Step 6: Final answer
   x = 859,497.45