Finding the Third Proportional to 67,587,536,438 and 140,737,244,822

Step by Step Solution

1. Step 1: Write the proportion equation
   67,587,536,438 : 140,737,244,822 = 140,737,244,822 : x
2. Step 2: Convert to fraction form
   67,587,536,438/140,737,244,822 = 140,737,244,822/x
3. Step 3: Cross multiply
   67,587,536,438x = 140,737,244,822 × 140,737,244,822
4. Step 4: Simplify right side
   67,587,536,438x = 19,806,972,080,087,564,812,288
5. Step 5: Solve for x
   x = 19,806,972,080,087,564,812,288/67,587,536,438
6. Step 6: Final answer
   x = 293,056,577,054.81