Finding the Third Proportional to 559,621 and 1,199,090

Step by Step Solution

1. Step 1: Write the proportion equation
   559,621 : 1,199,090 = 1,199,090 : x
2. Step 2: Convert to fraction form
   559,621/1,199,090 = 1,199,090/x
3. Step 3: Cross multiply
   559,621x = 1,199,090 × 1,199,090
4. Step 4: Simplify right side
   559,621x = 1,437,816,828,100
5. Step 5: Solve for x
   x = 1,437,816,828,100/559,621
6. Step 6: Final answer
   x = 2,569,268.89