Finding the Third Proportional to 11,870,088 and 17,860,812

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870,088 : 17,860,812 = 17,860,812 : x
2. Step 2: Convert to fraction form
   11,870,088/17,860,812 = 17,860,812/x
3. Step 3: Cross multiply
   11,870,088x = 17,860,812 × 17,860,812
4. Step 4: Simplify right side
   11,870,088x = 319,008,605,299,344
5. Step 5: Solve for x
   x = 319,008,605,299,344/11,870,088
6. Step 6: Final answer
   x = 26,874,999.18