Finding the Third Proportional to 516,426.38 and 1,118,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,426.38 : 1,118,611.50 = 1,118,611.50 : x
2. Step 2: Convert to fraction form
   516,426.38/1,118,611.50 = 1,118,611.50/x
3. Step 3: Cross multiply
   516,426.38x = 1,118,611.50 × 1,118,611.50
4. Step 4: Simplify right side
   516,426.38x = 1,251,291,687,932.25
5. Step 5: Solve for x
   x = 1,251,291,687,932.25/516,426.38
6. Step 6: Final answer
   x = 2,422,981.76