Finding the Third Proportional to 520,870.50 and 1,056,229.88

Step by Step Solution

1. Step 1: Write the proportion equation
   520,870.50 : 1,056,229.88 = 1,056,229.88 : x
2. Step 2: Convert to fraction form
   520,870.50/1,056,229.88 = 1,056,229.88/x
3. Step 3: Cross multiply
   520,870.50x = 1,056,229.88 × 1,056,229.88
4. Step 4: Simplify right side
   520,870.50x = 1,115,621,548,842.52
5. Step 5: Solve for x
   x = 1,115,621,548,842.52/520,870.50
6. Step 6: Final answer
   x = 2,141,840.53