Finding the Third Proportional to 3,438,838 and 7,156,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438,838 : 7,156,772 = 7,156,772 : x
2. Step 2: Convert to fraction form
   3,438,838/7,156,772 = 7,156,772/x
3. Step 3: Cross multiply
   3,438,838x = 7,156,772 × 7,156,772
4. Step 4: Simplify right side
   3,438,838x = 51,219,385,459,984
5. Step 5: Solve for x
   x = 51,219,385,459,984/3,438,838
6. Step 6: Final answer
   x = 14,894,387.42