Finding the Third Proportional to 1,631,538 and 3,499,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,538 : 3,499,272 = 3,499,272 : x
2. Step 2: Convert to fraction form
   1,631,538/3,499,272 = 3,499,272/x
3. Step 3: Cross multiply
   1,631,538x = 3,499,272 × 3,499,272
4. Step 4: Simplify right side
   1,631,538x = 12,244,904,529,984
5. Step 5: Solve for x
   x = 12,244,904,529,984/1,631,538
6. Step 6: Final answer
   x = 7,505,129.84