Finding the Third Proportional to 219,219 and 471,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,219 : 471,072.50 = 471,072.50 : x
2. Step 2: Convert to fraction form
   219,219/471,072.50 = 471,072.50/x
3. Step 3: Cross multiply
   219,219x = 471,072.50 × 471,072.50
4. Step 4: Simplify right side
   219,219x = 221,909,300,256.25
5. Step 5: Solve for x
   x = 221,909,300,256.25/219,219
6. Step 6: Final answer
   x = 1,012,272.20