Finding the Third Proportional to 414,572 and 878,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,572 : 878,964.50 = 878,964.50 : x
2. Step 2: Convert to fraction form
   414,572/878,964.50 = 878,964.50/x
3. Step 3: Cross multiply
   414,572x = 878,964.50 × 878,964.50
4. Step 4: Simplify right side
   414,572x = 772,578,592,260.25
5. Step 5: Solve for x
   x = 772,578,592,260.25/414,572
6. Step 6: Final answer
   x = 1,863,557.10