Finding the Third Proportional to 5,146,490 and 7,570,020

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146,490 : 7,570,020 = 7,570,020 : x
2. Step 2: Convert to fraction form
   5,146,490/7,570,020 = 7,570,020/x
3. Step 3: Cross multiply
   5,146,490x = 7,570,020 × 7,570,020
4. Step 4: Simplify right side
   5,146,490x = 57,305,202,800,400
5. Step 5: Solve for x
   x = 57,305,202,800,400/5,146,490
6. Step 6: Final answer
   x = 11,134,812.81