Finding the Third Proportional to 143,078,598 and 309,926,757.94

Step by Step Solution

1. Step 1: Write the proportion equation
   143,078,598 : 309,926,757.94 = 309,926,757.94 : x
2. Step 2: Convert to fraction form
   143,078,598/309,926,757.94 = 309,926,757.94/x
3. Step 3: Cross multiply
   143,078,598x = 309,926,757.94 × 309,926,757.94
4. Step 4: Simplify right side
   143,078,598x = 96,054,595,285,649,712
5. Step 5: Solve for x
   x = 96,054,595,285,649,712/143,078,598
6. Step 6: Final answer
   x = 671,341,462.86