Finding the Third Proportional to 4,112,640 and 8,925,120

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,640 : 8,925,120 = 8,925,120 : x
2. Step 2: Convert to fraction form
   4,112,640/8,925,120 = 8,925,120/x
3. Step 3: Cross multiply
   4,112,640x = 8,925,120 × 8,925,120
4. Step 4: Simplify right side
   4,112,640x = 79,657,767,014,400
5. Step 5: Solve for x
   x = 79,657,767,014,400/4,112,640
6. Step 6: Final answer
   x = 19,369,010.42