Finding the Third Proportional to 3,457,770 and 5,234,391

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457,770 : 5,234,391 = 5,234,391 : x
2. Step 2: Convert to fraction form
   3,457,770/5,234,391 = 5,234,391/x
3. Step 3: Cross multiply
   3,457,770x = 5,234,391 × 5,234,391
4. Step 4: Simplify right side
   3,457,770x = 27,398,849,140,881
5. Step 5: Solve for x
   x = 27,398,849,140,881/3,457,770
6. Step 6: Final answer
   x = 7,923,849.52