Finding the Third Proportional to 516,148 and 1,111,396

Step by Step Solution

1. Step 1: Write the proportion equation
   516,148 : 1,111,396 = 1,111,396 : x
2. Step 2: Convert to fraction form
   516,148/1,111,396 = 1,111,396/x
3. Step 3: Cross multiply
   516,148x = 1,111,396 × 1,111,396
4. Step 4: Simplify right side
   516,148x = 1,235,201,068,816
5. Step 5: Solve for x
   x = 1,235,201,068,816/516,148
6. Step 6: Final answer
   x = 2,393,114.12