Finding the Third Proportional to 784,620.42 and 1,663,399.55

Step by Step Solution

1. Step 1: Write the proportion equation
   784,620.42 : 1,663,399.55 = 1,663,399.55 : x
2. Step 2: Convert to fraction form
   784,620.42/1,663,399.55 = 1,663,399.55/x
3. Step 3: Cross multiply
   784,620.42x = 1,663,399.55 × 1,663,399.55
4. Step 4: Simplify right side
   784,620.42x = 2,766,898,052,543.96
5. Step 5: Solve for x
   x = 2,766,898,052,543.96/784,620.42
6. Step 6: Final answer
   x = 3,526,416.05