Finding the Third Proportional to 31,958,571 and 69,024,786

Step by Step Solution

1. Step 1: Write the proportion equation
   31,958,571 : 69,024,786 = 69,024,786 : x
2. Step 2: Convert to fraction form
   31,958,571/69,024,786 = 69,024,786/x
3. Step 3: Cross multiply
   31,958,571x = 69,024,786 × 69,024,786
4. Step 4: Simplify right side
   31,958,571x = 4,764,421,082,345,796
5. Step 5: Solve for x
   x = 4,764,421,082,345,796/31,958,571
6. Step 6: Final answer
   x = 149,081,167.69