Finding the Third Proportional to 1,921,654 and 2,947,607

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921,654 : 2,947,607 = 2,947,607 : x
2. Step 2: Convert to fraction form
   1,921,654/2,947,607 = 2,947,607/x
3. Step 3: Cross multiply
   1,921,654x = 2,947,607 × 2,947,607
4. Step 4: Simplify right side
   1,921,654x = 8,688,387,026,449
5. Step 5: Solve for x
   x = 8,688,387,026,449/1,921,654
6. Step 6: Final answer
   x = 4,521,306.66