Finding the Third Proportional to 274,606,308 and 407,157,846

Step by Step Solution

1. Step 1: Write the proportion equation
   274,606,308 : 407,157,846 = 407,157,846 : x
2. Step 2: Convert to fraction form
   274,606,308/407,157,846 = 407,157,846/x
3. Step 3: Cross multiply
   274,606,308x = 407,157,846 × 407,157,846
4. Step 4: Simplify right side
   274,606,308x = 165,777,511,559,359,712
5. Step 5: Solve for x
   x = 165,777,511,559,359,712/274,606,308
6. Step 6: Final answer
   x = 603,691,563.99