Finding the Third Proportional to 34,149,129 and 74,538,978

Step by Step Solution

1. Step 1: Write the proportion equation
   34,149,129 : 74,538,978 = 74,538,978 : x
2. Step 2: Convert to fraction form
   34,149,129/74,538,978 = 74,538,978/x
3. Step 3: Cross multiply
   34,149,129x = 74,538,978 × 74,538,978
4. Step 4: Simplify right side
   34,149,129x = 5,556,059,241,284,484
5. Step 5: Solve for x
   x = 5,556,059,241,284,484/34,149,129
6. Step 6: Final answer
   x = 162,699,881.49