Finding the Third Proportional to 607,143 and 1,306,131

Step by Step Solution

1. Step 1: Write the proportion equation
   607,143 : 1,306,131 = 1,306,131 : x
2. Step 2: Convert to fraction form
   607,143/1,306,131 = 1,306,131/x
3. Step 3: Cross multiply
   607,143x = 1,306,131 × 1,306,131
4. Step 4: Simplify right side
   607,143x = 1,705,978,189,161
5. Step 5: Solve for x
   x = 1,705,978,189,161/607,143
6. Step 6: Final answer
   x = 2,809,845.77