Finding the Third Proportional to 992,394 and 2,173,908

Step by Step Solution

1. Step 1: Write the proportion equation
   992,394 : 2,173,908 = 2,173,908 : x
2. Step 2: Convert to fraction form
   992,394/2,173,908 = 2,173,908/x
3. Step 3: Cross multiply
   992,394x = 2,173,908 × 2,173,908
4. Step 4: Simplify right side
   992,394x = 4,725,875,992,464
5. Step 5: Solve for x
   x = 4,725,875,992,464/992,394
6. Step 6: Final answer
   x = 4,762,096.50