Finding the Third Proportional to 436,521 and 672,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,521 : 672,799.50 = 672,799.50 : x
2. Step 2: Convert to fraction form
   436,521/672,799.50 = 672,799.50/x
3. Step 3: Cross multiply
   436,521x = 672,799.50 × 672,799.50
4. Step 4: Simplify right side
   436,521x = 452,659,167,200.25
5. Step 5: Solve for x
   x = 452,659,167,200.25/436,521
6. Step 6: Final answer
   x = 1,036,969.97