Finding the Third Proportional to 207,324 and 436,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,324 : 436,786.50 = 436,786.50 : x
2. Step 2: Convert to fraction form
   207,324/436,786.50 = 436,786.50/x
3. Step 3: Cross multiply
   207,324x = 436,786.50 × 436,786.50
4. Step 4: Simplify right side
   207,324x = 190,782,446,582.25
5. Step 5: Solve for x
   x = 190,782,446,582.25/207,324
6. Step 6: Final answer
   x = 920,214.00