Finding the Third Proportional to 31,226,485 and 67,665,804

Step by Step Solution

1. Step 1: Write the proportion equation
   31,226,485 : 67,665,804 = 67,665,804 : x
2. Step 2: Convert to fraction form
   31,226,485/67,665,804 = 67,665,804/x
3. Step 3: Cross multiply
   31,226,485x = 67,665,804 × 67,665,804
4. Step 4: Simplify right side
   31,226,485x = 4,578,661,030,966,416
5. Step 5: Solve for x
   x = 4,578,661,030,966,416/31,226,485
6. Step 6: Final answer
   x = 146,627,487.24