Finding the Third Proportional to 67,404,924.50 and 145,192,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,404,924.50 : 145,192,631.50 = 145,192,631.50 : x
2. Step 2: Convert to fraction form
   67,404,924.50/145,192,631.50 = 145,192,631.50/x
3. Step 3: Cross multiply
   67,404,924.50x = 145,192,631.50 × 145,192,631.50
4. Step 4: Simplify right side
   67,404,924.50x = 21,080,900,241,894,792
5. Step 5: Solve for x
   x = 21,080,900,241,894,792/67,404,924.50
6. Step 6: Final answer
   x = 312,750,149.91