Finding the Third Proportional to 3,294,990 and 7,156,712

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,990 : 7,156,712 = 7,156,712 : x
2. Step 2: Convert to fraction form
   3,294,990/7,156,712 = 7,156,712/x
3. Step 3: Cross multiply
   3,294,990x = 7,156,712 × 7,156,712
4. Step 4: Simplify right side
   3,294,990x = 51,218,526,650,944
5. Step 5: Solve for x
   x = 51,218,526,650,944/3,294,990
6. Step 6: Final answer
   x = 15,544,364.82