Finding the Third Proportional to 3,914,454 and 5,512,446

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,454 : 5,512,446 = 5,512,446 : x
2. Step 2: Convert to fraction form
   3,914,454/5,512,446 = 5,512,446/x
3. Step 3: Cross multiply
   3,914,454x = 5,512,446 × 5,512,446
4. Step 4: Simplify right side
   3,914,454x = 30,387,060,902,916
5. Step 5: Solve for x
   x = 30,387,060,902,916/3,914,454
6. Step 6: Final answer
   x = 7,762,784.01