Finding the Third Proportional to 4,102,846 and 8,928,140

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,846 : 8,928,140 = 8,928,140 : x
2. Step 2: Convert to fraction form
   4,102,846/8,928,140 = 8,928,140/x
3. Step 3: Cross multiply
   4,102,846x = 8,928,140 × 8,928,140
4. Step 4: Simplify right side
   4,102,846x = 79,711,683,859,600
5. Step 5: Solve for x
   x = 79,711,683,859,600/4,102,846
6. Step 6: Final answer
   x = 19,428,387.97