Finding the Third Proportional to 4,022,188 and 5,626,254

Step by Step Solution

1. Step 1: Write the proportion equation
   4,022,188 : 5,626,254 = 5,626,254 : x
2. Step 2: Convert to fraction form
   4,022,188/5,626,254 = 5,626,254/x
3. Step 3: Cross multiply
   4,022,188x = 5,626,254 × 5,626,254
4. Step 4: Simplify right side
   4,022,188x = 31,654,734,072,516
5. Step 5: Solve for x
   x = 31,654,734,072,516/4,022,188
6. Step 6: Final answer
   x = 7,870,028.47