Finding the Third Proportional to 153,147,900 and 231,545,111

Step by Step Solution

1. Step 1: Write the proportion equation
   153,147,900 : 231,545,111 = 231,545,111 : x
2. Step 2: Convert to fraction form
   153,147,900/231,545,111 = 231,545,111/x
3. Step 3: Cross multiply
   153,147,900x = 231,545,111 × 231,545,111
4. Step 4: Simplify right side
   153,147,900x = 53,613,138,428,002,320
5. Step 5: Solve for x
   x = 53,613,138,428,002,320/153,147,900
6. Step 6: Final answer
   x = 350,074,264.34