Finding the Third Proportional to 900,693 and 1,978,533

Step by Step Solution

1. Step 1: Write the proportion equation
   900,693 : 1,978,533 = 1,978,533 : x
2. Step 2: Convert to fraction form
   900,693/1,978,533 = 1,978,533/x
3. Step 3: Cross multiply
   900,693x = 1,978,533 × 1,978,533
4. Step 4: Simplify right side
   900,693x = 3,914,592,832,089
5. Step 5: Solve for x
   x = 3,914,592,832,089/900,693
6. Step 6: Final answer
   x = 4,346,201.02