Finding the Third Proportional to 16,969,985,966 and 34,423,850,056

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969,985,966 : 34,423,850,056 = 34,423,850,056 : x
2. Step 2: Convert to fraction form
   16,969,985,966/34,423,850,056 = 34,423,850,056/x
3. Step 3: Cross multiply
   16,969,985,966x = 34,423,850,056 × 34,423,850,056
4. Step 4: Simplify right side
   16,969,985,966x = 1,185,001,452,677,971,312,640
5. Step 5: Solve for x
   x = 1,185,001,452,677,971,312,640/16,969,985,966
6. Step 6: Final answer
   x = 69,829,253,545.18