Finding the Third Proportional to 2,164,782 and 4,676,445

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,782 : 4,676,445 = 4,676,445 : x
2. Step 2: Convert to fraction form
   2,164,782/4,676,445 = 4,676,445/x
3. Step 3: Cross multiply
   2,164,782x = 4,676,445 × 4,676,445
4. Step 4: Simplify right side
   2,164,782x = 21,869,137,838,025
5. Step 5: Solve for x
   x = 21,869,137,838,025/2,164,782
6. Step 6: Final answer
   x = 10,102,235.62