Finding the Third Proportional to 3,243,726 and 4,672,485

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243,726 : 4,672,485 = 4,672,485 : x
2. Step 2: Convert to fraction form
   3,243,726/4,672,485 = 4,672,485/x
3. Step 3: Cross multiply
   3,243,726x = 4,672,485 × 4,672,485
4. Step 4: Simplify right side
   3,243,726x = 21,832,116,075,225
5. Step 5: Solve for x
   x = 21,832,116,075,225/3,243,726
6. Step 6: Final answer
   x = 6,730,567.28