Finding the Third Proportional to 563,864 and 1,215,754

Step by Step Solution

1. Step 1: Write the proportion equation
   563,864 : 1,215,754 = 1,215,754 : x
2. Step 2: Convert to fraction form
   563,864/1,215,754 = 1,215,754/x
3. Step 3: Cross multiply
   563,864x = 1,215,754 × 1,215,754
4. Step 4: Simplify right side
   563,864x = 1,478,057,788,516
5. Step 5: Solve for x
   x = 1,478,057,788,516/563,864
6. Step 6: Final answer
   x = 2,621,301.92