Finding the Third Proportional to 803,637 and 1,767,978

Step by Step Solution

1. Step 1: Write the proportion equation
   803,637 : 1,767,978 = 1,767,978 : x
2. Step 2: Convert to fraction form
   803,637/1,767,978 = 1,767,978/x
3. Step 3: Cross multiply
   803,637x = 1,767,978 × 1,767,978
4. Step 4: Simplify right side
   803,637x = 3,125,746,208,484
5. Step 5: Solve for x
   x = 3,125,746,208,484/803,637
6. Step 6: Final answer
   x = 3,889,500.12