Finding the Third Proportional to 520,146 and 1,117,890

Step by Step Solution

1. Step 1: Write the proportion equation
   520,146 : 1,117,890 = 1,117,890 : x
2. Step 2: Convert to fraction form
   520,146/1,117,890 = 1,117,890/x
3. Step 3: Cross multiply
   520,146x = 1,117,890 × 1,117,890
4. Step 4: Simplify right side
   520,146x = 1,249,678,052,100
5. Step 5: Solve for x
   x = 1,249,678,052,100/520,146
6. Step 6: Final answer
   x = 2,402,552.46