Finding the Third Proportional to 409,887 and 573,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   409,887 : 573,181.50 = 573,181.50 : x
2. Step 2: Convert to fraction form
   409,887/573,181.50 = 573,181.50/x
3. Step 3: Cross multiply
   409,887x = 573,181.50 × 573,181.50
4. Step 4: Simplify right side
   409,887x = 328,537,031,942.25
5. Step 5: Solve for x
   x = 328,537,031,942.25/409,887
6. Step 6: Final answer
   x = 801,530.74