Finding the Third Proportional to 6,537,197,343 and 9,172,981,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,537,197,343 : 9,172,981,978.50 = 9,172,981,978.50 : x
2. Step 2: Convert to fraction form
   6,537,197,343/9,172,981,978.50 = 9,172,981,978.50/x
3. Step 3: Cross multiply
   6,537,197,343x = 9,172,981,978.50 × 9,172,981,978.50
4. Step 4: Simplify right side
   6,537,197,343x = 84,143,598,377,885,777,920
5. Step 5: Solve for x
   x = 84,143,598,377,885,777,920/6,537,197,343
6. Step 6: Final answer
   x = 12,871,509,603.12