Finding the Third Proportional to 67,304,857.50 and 146,402,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,304,857.50 : 146,402,029.50 = 146,402,029.50 : x
2. Step 2: Convert to fraction form
   67,304,857.50/146,402,029.50 = 146,402,029.50/x
3. Step 3: Cross multiply
   67,304,857.50x = 146,402,029.50 × 146,402,029.50
4. Step 4: Simplify right side
   67,304,857.50x = 21,433,554,241,718,872
5. Step 5: Solve for x
   x = 21,433,554,241,718,872/67,304,857.50
6. Step 6: Final answer
   x = 318,454,789.71