Finding the Third Proportional to 141,810,556.50 and 308,467,620

Step by Step Solution

1. Step 1: Write the proportion equation
   141,810,556.50 : 308,467,620 = 308,467,620 : x
2. Step 2: Convert to fraction form
   141,810,556.50/308,467,620 = 308,467,620/x
3. Step 3: Cross multiply
   141,810,556.50x = 308,467,620 × 308,467,620
4. Step 4: Simplify right side
   141,810,556.50x = 95,152,272,588,464,400
5. Step 5: Solve for x
   x = 95,152,272,588,464,400/141,810,556.50
6. Step 6: Final answer
   x = 670,981,589.36