Finding the Third Proportional to 8,314,938 and 17,778,978

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314,938 : 17,778,978 = 17,778,978 : x
2. Step 2: Convert to fraction form
   8,314,938/17,778,978 = 17,778,978/x
3. Step 3: Cross multiply
   8,314,938x = 17,778,978 × 17,778,978
4. Step 4: Simplify right side
   8,314,938x = 316,092,058,724,484
5. Step 5: Solve for x
   x = 316,092,058,724,484/8,314,938
6. Step 6: Final answer
   x = 38,014,962.80