Finding the Third Proportional to 3,145,116 and 4,712,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145,116 : 4,712,740 = 4,712,740 : x
2. Step 2: Convert to fraction form
   3,145,116/4,712,740 = 4,712,740/x
3. Step 3: Cross multiply
   3,145,116x = 4,712,740 × 4,712,740
4. Step 4: Simplify right side
   3,145,116x = 22,209,918,307,600
5. Step 5: Solve for x
   x = 22,209,918,307,600/3,145,116
6. Step 6: Final answer
   x = 7,061,716.74