Finding the Third Proportional to 719,640 and 1,056,132

Step by Step Solution

1. Step 1: Write the proportion equation
   719,640 : 1,056,132 = 1,056,132 : x
2. Step 2: Convert to fraction form
   719,640/1,056,132 = 1,056,132/x
3. Step 3: Cross multiply
   719,640x = 1,056,132 × 1,056,132
4. Step 4: Simplify right side
   719,640x = 1,115,414,801,424
5. Step 5: Solve for x
   x = 1,115,414,801,424/719,640
6. Step 6: Final answer
   x = 1,549,962.21