Finding the Third Proportional to 3,139,902 and 4,980,069

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,902 : 4,980,069 = 4,980,069 : x
2. Step 2: Convert to fraction form
   3,139,902/4,980,069 = 4,980,069/x
3. Step 3: Cross multiply
   3,139,902x = 4,980,069 × 4,980,069
4. Step 4: Simplify right side
   3,139,902x = 24,801,087,244,761
5. Step 5: Solve for x
   x = 24,801,087,244,761/3,139,902
6. Step 6: Final answer
   x = 7,898,681.95