Finding the Third Proportional to 991,602 and 2,172,996

Step by Step Solution

1. Step 1: Write the proportion equation
   991,602 : 2,172,996 = 2,172,996 : x
2. Step 2: Convert to fraction form
   991,602/2,172,996 = 2,172,996/x
3. Step 3: Cross multiply
   991,602x = 2,172,996 × 2,172,996
4. Step 4: Simplify right side
   991,602x = 4,721,911,616,016
5. Step 5: Solve for x
   x = 4,721,911,616,016/991,602
6. Step 6: Final answer
   x = 4,761,902.07