Finding the Third Proportional to 70,649,695,665 and 143,375,396,706

Step by Step Solution

1. Step 1: Write the proportion equation
   70,649,695,665 : 143,375,396,706 = 143,375,396,706 : x
2. Step 2: Convert to fraction form
   70,649,695,665/143,375,396,706 = 143,375,396,706/x
3. Step 3: Cross multiply
   70,649,695,665x = 143,375,396,706 × 143,375,396,706
4. Step 4: Simplify right side
   70,649,695,665x = 20,556,504,380,602,876,690,432
5. Step 5: Solve for x
   x = 20,556,504,380,602,876,690,432/70,649,695,665
6. Step 6: Final answer
   x = 290,963,806,526.16