Finding the Third Proportional to 5,636,853 and 12,070,866

Step by Step Solution

1. Step 1: Write the proportion equation
   5,636,853 : 12,070,866 = 12,070,866 : x
2. Step 2: Convert to fraction form
   5,636,853/12,070,866 = 12,070,866/x
3. Step 3: Cross multiply
   5,636,853x = 12,070,866 × 12,070,866
4. Step 4: Simplify right side
   5,636,853x = 145,705,805,989,956
5. Step 5: Solve for x
   x = 145,705,805,989,956/5,636,853
6. Step 6: Final answer
   x = 25,848,785.84