Finding the Third Proportional to 5,145,468 and 7,055,409

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145,468 : 7,055,409 = 7,055,409 : x
2. Step 2: Convert to fraction form
   5,145,468/7,055,409 = 7,055,409/x
3. Step 3: Cross multiply
   5,145,468x = 7,055,409 × 7,055,409
4. Step 4: Simplify right side
   5,145,468x = 49,778,796,157,281
5. Step 5: Solve for x
   x = 49,778,796,157,281/5,145,468
6. Step 6: Final answer
   x = 9,674,299.04