Finding the Third Proportional to 731,142 and 1,090,602

Step by Step Solution

1. Step 1: Write the proportion equation
   731,142 : 1,090,602 = 1,090,602 : x
2. Step 2: Convert to fraction form
   731,142/1,090,602 = 1,090,602/x
3. Step 3: Cross multiply
   731,142x = 1,090,602 × 1,090,602
4. Step 4: Simplify right side
   731,142x = 1,189,412,722,404
5. Step 5: Solve for x
   x = 1,189,412,722,404/731,142
6. Step 6: Final answer
   x = 1,626,787.58