Finding the Third Proportional to 4,121,380 and 8,852,160

Step by Step Solution

1. Step 1: Write the proportion equation
   4,121,380 : 8,852,160 = 8,852,160 : x
2. Step 2: Convert to fraction form
   4,121,380/8,852,160 = 8,852,160/x
3. Step 3: Cross multiply
   4,121,380x = 8,852,160 × 8,852,160
4. Step 4: Simplify right side
   4,121,380x = 78,360,736,665,600
5. Step 5: Solve for x
   x = 78,360,736,665,600/4,121,380
6. Step 6: Final answer
   x = 19,013,227.77