Finding the Third Proportional to 4,827,020 and 7,157,040

Step by Step Solution

1. Step 1: Write the proportion equation
   4,827,020 : 7,157,040 = 7,157,040 : x
2. Step 2: Convert to fraction form
   4,827,020/7,157,040 = 7,157,040/x
3. Step 3: Cross multiply
   4,827,020x = 7,157,040 × 7,157,040
4. Step 4: Simplify right side
   4,827,020x = 51,223,221,561,600
5. Step 5: Solve for x
   x = 51,223,221,561,600/4,827,020
6. Step 6: Final answer
   x = 10,611,769.08