Finding the Third Proportional to 148,431 and 302,046

Step by Step Solution

1. Step 1: Write the proportion equation
   148,431 : 302,046 = 302,046 : x
2. Step 2: Convert to fraction form
   148,431/302,046 = 302,046/x
3. Step 3: Cross multiply
   148,431x = 302,046 × 302,046
4. Step 4: Simplify right side
   148,431x = 91,231,786,116
5. Step 5: Solve for x
   x = 91,231,786,116/148,431
6. Step 6: Final answer
   x = 614,641.05