Finding the Third Proportional to 143,146,382,984 and 213,478,225,932

Step by Step Solution

1. Step 1: Write the proportion equation
   143,146,382,984 : 213,478,225,932 = 213,478,225,932 : x
2. Step 2: Convert to fraction form
   143,146,382,984/213,478,225,932 = 213,478,225,932/x
3. Step 3: Cross multiply
   143,146,382,984x = 213,478,225,932 × 213,478,225,932
4. Step 4: Simplify right side
   143,146,382,984x = 45,572,952,947,074,040,594,432
5. Step 5: Solve for x
   x = 45,572,952,947,074,040,594,432/143,146,382,984
6. Step 6: Final answer
   x = 318,366,080,910.11