Finding the Third Proportional to 5,155,218 and 7,574,985

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155,218 : 7,574,985 = 7,574,985 : x
2. Step 2: Convert to fraction form
   5,155,218/7,574,985 = 7,574,985/x
3. Step 3: Cross multiply
   5,155,218x = 7,574,985 × 7,574,985
4. Step 4: Simplify right side
   5,155,218x = 57,380,397,750,225
5. Step 5: Solve for x
   x = 57,380,397,750,225/5,155,218
6. Step 6: Final answer
   x = 11,130,547.29