Finding the Third Proportional to 219,276 and 472,389.75

Step by Step Solution

1. Step 1: Write the proportion equation
   219,276 : 472,389.75 = 472,389.75 : x
2. Step 2: Convert to fraction form
   219,276/472,389.75 = 472,389.75/x
3. Step 3: Cross multiply
   219,276x = 472,389.75 × 472,389.75
4. Step 4: Simplify right side
   219,276x = 223,152,075,905.06
5. Step 5: Solve for x
   x = 223,152,075,905.06/219,276
6. Step 6: Final answer
   x = 1,017,676.70