Finding the Third Proportional to 510,212 and 1,112,280

Step by Step Solution

1. Step 1: Write the proportion equation
   510,212 : 1,112,280 = 1,112,280 : x
2. Step 2: Convert to fraction form
   510,212/1,112,280 = 1,112,280/x
3. Step 3: Cross multiply
   510,212x = 1,112,280 × 1,112,280
4. Step 4: Simplify right side
   510,212x = 1,237,166,798,400
5. Step 5: Solve for x
   x = 1,237,166,798,400/510,212
6. Step 6: Final answer
   x = 2,424,809.29