Finding the Third Proportional to 2,472,786 and 5,272,200

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472,786 : 5,272,200 = 5,272,200 : x
2. Step 2: Convert to fraction form
   2,472,786/5,272,200 = 5,272,200/x
3. Step 3: Cross multiply
   2,472,786x = 5,272,200 × 5,272,200
4. Step 4: Simplify right side
   2,472,786x = 27,796,092,840,000
5. Step 5: Solve for x
   x = 27,796,092,840,000/2,472,786
6. Step 6: Final answer
   x = 11,240,799.99