Finding the Third Proportional to 520,112 and 1,117,813

Step by Step Solution

1. Step 1: Write the proportion equation
   520,112 : 1,117,813 = 1,117,813 : x
2. Step 2: Convert to fraction form
   520,112/1,117,813 = 1,117,813/x
3. Step 3: Cross multiply
   520,112x = 1,117,813 × 1,117,813
4. Step 4: Simplify right side
   520,112x = 1,249,505,902,969
5. Step 5: Solve for x
   x = 1,249,505,902,969/520,112
6. Step 6: Final answer
   x = 2,402,378.53