Finding the Third Proportional to 590,386 and 1,222,784

Step by Step Solution

1. Step 1: Write the proportion equation
   590,386 : 1,222,784 = 1,222,784 : x
2. Step 2: Convert to fraction form
   590,386/1,222,784 = 1,222,784/x
3. Step 3: Cross multiply
   590,386x = 1,222,784 × 1,222,784
4. Step 4: Simplify right side
   590,386x = 1,495,200,710,656
5. Step 5: Solve for x
   x = 1,495,200,710,656/590,386
6. Step 6: Final answer
   x = 2,532,581.58