Finding the Third Proportional to 4,721,086 and 7,507,254

Step by Step Solution

1. Step 1: Write the proportion equation
   4,721,086 : 7,507,254 = 7,507,254 : x
2. Step 2: Convert to fraction form
   4,721,086/7,507,254 = 7,507,254/x
3. Step 3: Cross multiply
   4,721,086x = 7,507,254 × 7,507,254
4. Step 4: Simplify right side
   4,721,086x = 56,358,862,620,516
5. Step 5: Solve for x
   x = 56,358,862,620,516/4,721,086
6. Step 6: Final answer
   x = 11,937,690.32