Finding the Third Proportional to 1,645,369,231.50 and 3,559,108,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,369,231.50 : 3,559,108,783.50 = 3,559,108,783.50 : x
2. Step 2: Convert to fraction form
   1,645,369,231.50/3,559,108,783.50 = 3,559,108,783.50/x
3. Step 3: Cross multiply
   1,645,369,231.50x = 3,559,108,783.50 × 3,559,108,783.50
4. Step 4: Simplify right side
   1,645,369,231.50x = 12,667,255,332,786,849,792
5. Step 5: Solve for x
   x = 12,667,255,332,786,849,792/1,645,369,231.50
6. Step 6: Final answer
   x = 7,698,731,136.01