Finding the Third Proportional to 590,388 and 1,222,788

Step by Step Solution

1. Step 1: Write the proportion equation
   590,388 : 1,222,788 = 1,222,788 : x
2. Step 2: Convert to fraction form
   590,388/1,222,788 = 1,222,788/x
3. Step 3: Cross multiply
   590,388x = 1,222,788 × 1,222,788
4. Step 4: Simplify right side
   590,388x = 1,495,210,492,944
5. Step 5: Solve for x
   x = 1,495,210,492,944/590,388
6. Step 6: Final answer
   x = 2,532,589.57