Finding the Third Proportional to 5,160,364 and 7,218,360

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160,364 : 7,218,360 = 7,218,360 : x
2. Step 2: Convert to fraction form
   5,160,364/7,218,360 = 7,218,360/x
3. Step 3: Cross multiply
   5,160,364x = 7,218,360 × 7,218,360
4. Step 4: Simplify right side
   5,160,364x = 52,104,721,089,600
5. Step 5: Solve for x
   x = 52,104,721,089,600/5,160,364
6. Step 6: Final answer
   x = 10,097,101.89