Finding the Third Proportional to 525,322 and 803,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   525,322 : 803,233.50 = 803,233.50 : x
2. Step 2: Convert to fraction form
   525,322/803,233.50 = 803,233.50/x
3. Step 3: Cross multiply
   525,322x = 803,233.50 × 803,233.50
4. Step 4: Simplify right side
   525,322x = 645,184,055,522.25
5. Step 5: Solve for x
   x = 645,184,055,522.25/525,322
6. Step 6: Final answer
   x = 1,228,168.73