Finding the Third Proportional to 4,921,972 and 7,090,293

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,972 : 7,090,293 = 7,090,293 : x
2. Step 2: Convert to fraction form
   4,921,972/7,090,293 = 7,090,293/x
3. Step 3: Cross multiply
   4,921,972x = 7,090,293 × 7,090,293
4. Step 4: Simplify right side
   4,921,972x = 50,272,254,825,849
5. Step 5: Solve for x
   x = 50,272,254,825,849/4,921,972
6. Step 6: Final answer
   x = 10,213,844.13