Finding the Third Proportional to 141,810,439.50 and 308,467,386

Step by Step Solution

1. Step 1: Write the proportion equation
   141,810,439.50 : 308,467,386 = 308,467,386 : x
2. Step 2: Convert to fraction form
   141,810,439.50/308,467,386 = 308,467,386/x
3. Step 3: Cross multiply
   141,810,439.50x = 308,467,386 × 308,467,386
4. Step 4: Simplify right side
   141,810,439.50x = 95,152,128,225,672,992
5. Step 5: Solve for x
   x = 95,152,128,225,672,992/141,810,439.50
6. Step 6: Final answer
   x = 670,981,124.95