Finding the Third Proportional to 5,146,078 and 7,547,240

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146,078 : 7,547,240 = 7,547,240 : x
2. Step 2: Convert to fraction form
   5,146,078/7,547,240 = 7,547,240/x
3. Step 3: Cross multiply
   5,146,078x = 7,547,240 × 7,547,240
4. Step 4: Simplify right side
   5,146,078x = 56,960,831,617,600
5. Step 5: Solve for x
   x = 56,960,831,617,600/5,146,078
6. Step 6: Final answer
   x = 11,068,785.12