Finding the Third Proportional to 144,124,559,513.50 and 309,939,369,634

Step by Step Solution

1. Step 1: Write the proportion equation
   144,124,559,513.50 : 309,939,369,634 = 309,939,369,634 : x
2. Step 2: Convert to fraction form
   144,124,559,513.50/309,939,369,634 = 309,939,369,634/x
3. Step 3: Cross multiply
   144,124,559,513.50x = 309,939,369,634 × 309,939,369,634
4. Step 4: Simplify right side
   144,124,559,513.50x = 96,062,412,849,121,280,917,504
5. Step 5: Solve for x
   x = 96,062,412,849,121,280,917,504/144,124,559,513.50
6. Step 6: Final answer
   x = 666,523,548,612.29