Finding the Third Proportional to 1,916,537 and 4,221,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,537 : 4,221,946 = 4,221,946 : x
2. Step 2: Convert to fraction form
   1,916,537/4,221,946 = 4,221,946/x
3. Step 3: Cross multiply
   1,916,537x = 4,221,946 × 4,221,946
4. Step 4: Simplify right side
   1,916,537x = 17,824,828,026,916
5. Step 5: Solve for x
   x = 17,824,828,026,916/1,916,537
6. Step 6: Final answer
   x = 9,300,539.48