Finding the Third Proportional to 842,738 and 1,820,160

Step by Step Solution

1. Step 1: Write the proportion equation
   842,738 : 1,820,160 = 1,820,160 : x
2. Step 2: Convert to fraction form
   842,738/1,820,160 = 1,820,160/x
3. Step 3: Cross multiply
   842,738x = 1,820,160 × 1,820,160
4. Step 4: Simplify right side
   842,738x = 3,312,982,425,600
5. Step 5: Solve for x
   x = 3,312,982,425,600/842,738
6. Step 6: Final answer
   x = 3,931,212.82