Finding the Third Proportional to 409,219 and 889,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   409,219 : 889,272.50 = 889,272.50 : x
2. Step 2: Convert to fraction form
   409,219/889,272.50 = 889,272.50/x
3. Step 3: Cross multiply
   409,219x = 889,272.50 × 889,272.50
4. Step 4: Simplify right side
   409,219x = 790,805,579,256.25
5. Step 5: Solve for x
   x = 790,805,579,256.25/409,219
6. Step 6: Final answer
   x = 1,932,475.23