Finding the Third Proportional to 31,097,769 and 67,664,952

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097,769 : 67,664,952 = 67,664,952 : x
2. Step 2: Convert to fraction form
   31,097,769/67,664,952 = 67,664,952/x
3. Step 3: Cross multiply
   31,097,769x = 67,664,952 × 67,664,952
4. Step 4: Simplify right side
   31,097,769x = 4,578,545,729,162,304
5. Step 5: Solve for x
   x = 4,578,545,729,162,304/31,097,769
6. Step 6: Final answer
   x = 147,230,681.70