Finding the Third Proportional to 516,313 and 1,118,428

Step by Step Solution

1. Step 1: Write the proportion equation
   516,313 : 1,118,428 = 1,118,428 : x
2. Step 2: Convert to fraction form
   516,313/1,118,428 = 1,118,428/x
3. Step 3: Cross multiply
   516,313x = 1,118,428 × 1,118,428
4. Step 4: Simplify right side
   516,313x = 1,250,881,191,184
5. Step 5: Solve for x
   x = 1,250,881,191,184/516,313
6. Step 6: Final answer
   x = 2,422,718.76