Finding the Third Proportional to 31,770,885 and 69,368,097

Step by Step Solution

1. Step 1: Write the proportion equation
   31,770,885 : 69,368,097 = 69,368,097 : x
2. Step 2: Convert to fraction form
   31,770,885/69,368,097 = 69,368,097/x
3. Step 3: Cross multiply
   31,770,885x = 69,368,097 × 69,368,097
4. Step 4: Simplify right side
   31,770,885x = 4,811,932,881,401,409
5. Step 5: Solve for x
   x = 4,811,932,881,401,409/31,770,885
6. Step 6: Final answer
   x = 151,457,313.24