Finding the Third Proportional to 563,871 and 1,215,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   563,871 : 1,215,766.50 = 1,215,766.50 : x
2. Step 2: Convert to fraction form
   563,871/1,215,766.50 = 1,215,766.50/x
3. Step 3: Cross multiply
   563,871x = 1,215,766.50 × 1,215,766.50
4. Step 4: Simplify right side
   563,871x = 1,478,088,182,522.25
5. Step 5: Solve for x
   x = 1,478,088,182,522.25/563,871
6. Step 6: Final answer
   x = 2,621,323.29