Finding the Third Proportional to 5,817,840 and 12,693,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,817,840 : 12,693,216 = 12,693,216 : x
2. Step 2: Convert to fraction form
   5,817,840/12,693,216 = 12,693,216/x
3. Step 3: Cross multiply
   5,817,840x = 12,693,216 × 12,693,216
4. Step 4: Simplify right side
   5,817,840x = 161,117,732,422,656
5. Step 5: Solve for x
   x = 161,117,732,422,656/5,817,840
6. Step 6: Final answer
   x = 27,693,737.27