Finding the Third Proportional to 5,029,397 and 10,291,210

Step by Step Solution

1. Step 1: Write the proportion equation
   5,029,397 : 10,291,210 = 10,291,210 : x
2. Step 2: Convert to fraction form
   5,029,397/10,291,210 = 10,291,210/x
3. Step 3: Cross multiply
   5,029,397x = 10,291,210 × 10,291,210
4. Step 4: Simplify right side
   5,029,397x = 105,909,003,264,100
5. Step 5: Solve for x
   x = 105,909,003,264,100/5,029,397
6. Step 6: Final answer
   x = 21,057,992.29