Finding the Third Proportional to 921,563 and 2,020,272

Step by Step Solution

1. Step 1: Write the proportion equation
   921,563 : 2,020,272 = 2,020,272 : x
2. Step 2: Convert to fraction form
   921,563/2,020,272 = 2,020,272/x
3. Step 3: Cross multiply
   921,563x = 2,020,272 × 2,020,272
4. Step 4: Simplify right side
   921,563x = 4,081,498,953,984
5. Step 5: Solve for x
   x = 4,081,498,953,984/921,563
6. Step 6: Final answer
   x = 4,428,887.61