Finding the Third Proportional to 5,955,390 and 12,885,069

Step by Step Solution

1. Step 1: Write the proportion equation
   5,955,390 : 12,885,069 = 12,885,069 : x
2. Step 2: Convert to fraction form
   5,955,390/12,885,069 = 12,885,069/x
3. Step 3: Cross multiply
   5,955,390x = 12,885,069 × 12,885,069
4. Step 4: Simplify right side
   5,955,390x = 166,025,003,134,761
5. Step 5: Solve for x
   x = 166,025,003,134,761/5,955,390
6. Step 6: Final answer
   x = 27,878,107.59