Finding the Third Proportional to 1,916,526 and 4,221,924

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,526 : 4,221,924 = 4,221,924 : x
2. Step 2: Convert to fraction form
   1,916,526/4,221,924 = 4,221,924/x
3. Step 3: Cross multiply
   1,916,526x = 4,221,924 × 4,221,924
4. Step 4: Simplify right side
   1,916,526x = 17,824,642,261,776
5. Step 5: Solve for x
   x = 17,824,642,261,776/1,916,526
6. Step 6: Final answer
   x = 9,300,495.93