Finding the Third Proportional to 31,566,978 and 67,833,181

Step by Step Solution

1. Step 1: Write the proportion equation
   31,566,978 : 67,833,181 = 67,833,181 : x
2. Step 2: Convert to fraction form
   31,566,978/67,833,181 = 67,833,181/x
3. Step 3: Cross multiply
   31,566,978x = 67,833,181 × 67,833,181
4. Step 4: Simplify right side
   31,566,978x = 4,601,340,444,578,761
5. Step 5: Solve for x
   x = 4,601,340,444,578,761/31,566,978
6. Step 6: Final answer
   x = 145,764,363.14