Finding the Third Proportional to 849,120 and 1,254,240

Step by Step Solution

1. Step 1: Write the proportion equation
   849,120 : 1,254,240 = 1,254,240 : x
2. Step 2: Convert to fraction form
   849,120/1,254,240 = 1,254,240/x
3. Step 3: Cross multiply
   849,120x = 1,254,240 × 1,254,240
4. Step 4: Simplify right side
   849,120x = 1,573,117,977,600
5. Step 5: Solve for x
   x = 1,573,117,977,600/849,120
6. Step 6: Final answer
   x = 1,852,645.07