Finding the Third Proportional to 3,091,603 and 4,272,010

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091,603 : 4,272,010 = 4,272,010 : x
2. Step 2: Convert to fraction form
   3,091,603/4,272,010 = 4,272,010/x
3. Step 3: Cross multiply
   3,091,603x = 4,272,010 × 4,272,010
4. Step 4: Simplify right side
   3,091,603x = 18,250,069,440,100
5. Step 5: Solve for x
   x = 18,250,069,440,100/3,091,603
6. Step 6: Final answer
   x = 5,903,108.98