Finding the Third Proportional to 911,418 and 1,994,472

Step by Step Solution

1. Step 1: Write the proportion equation
   911,418 : 1,994,472 = 1,994,472 : x
2. Step 2: Convert to fraction form
   911,418/1,994,472 = 1,994,472/x
3. Step 3: Cross multiply
   911,418x = 1,994,472 × 1,994,472
4. Step 4: Simplify right side
   911,418x = 3,977,918,558,784
5. Step 5: Solve for x
   x = 3,977,918,558,784/911,418
6. Step 6: Final answer
   x = 4,364,538.07