Finding the Third Proportional to 1,577,461 and 3,431,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,461 : 3,431,308 = 3,431,308 : x
2. Step 2: Convert to fraction form
   1,577,461/3,431,308 = 3,431,308/x
3. Step 3: Cross multiply
   1,577,461x = 3,431,308 × 3,431,308
4. Step 4: Simplify right side
   1,577,461x = 11,773,874,590,864
5. Step 5: Solve for x
   x = 11,773,874,590,864/1,577,461
6. Step 6: Final answer
   x = 7,463,813.43