Finding the Third Proportional to 2,142,782 and 2,910,152

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,782 : 2,910,152 = 2,910,152 : x
2. Step 2: Convert to fraction form
   2,142,782/2,910,152 = 2,910,152/x
3. Step 3: Cross multiply
   2,142,782x = 2,910,152 × 2,910,152
4. Step 4: Simplify right side
   2,142,782x = 8,468,984,663,104
5. Step 5: Solve for x
   x = 8,468,984,663,104/2,142,782
6. Step 6: Final answer
   x = 3,952,331.44