Finding the Third Proportional to 170,365,123 and 370,579,978

Step by Step Solution

1. Step 1: Write the proportion equation
   170,365,123 : 370,579,978 = 370,579,978 : x
2. Step 2: Convert to fraction form
   170,365,123/370,579,978 = 370,579,978/x
3. Step 3: Cross multiply
   170,365,123x = 370,579,978 × 370,579,978
4. Step 4: Simplify right side
   170,365,123x = 137,329,520,094,480,480
5. Step 5: Solve for x
   x = 137,329,520,094,480,480/170,365,123
6. Step 6: Final answer
   x = 806,089,401.85