Finding the Third Proportional to 2,472,817 and 5,272,262

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472,817 : 5,272,262 = 5,272,262 : x
2. Step 2: Convert to fraction form
   2,472,817/5,272,262 = 5,272,262/x
3. Step 3: Cross multiply
   2,472,817x = 5,272,262 × 5,272,262
4. Step 4: Simplify right side
   2,472,817x = 27,796,746,596,644
5. Step 5: Solve for x
   x = 27,796,746,596,644/2,472,817
6. Step 6: Final answer
   x = 11,240,923.45