Finding the Third Proportional to 13,288,099,318 and 31,367,828,677

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,099,318 : 31,367,828,677 = 31,367,828,677 : x
2. Step 2: Convert to fraction form
   13,288,099,318/31,367,828,677 = 31,367,828,677/x
3. Step 3: Cross multiply
   13,288,099,318x = 31,367,828,677 × 31,367,828,677
4. Step 4: Simplify right side
   13,288,099,318x = 983,940,675,909,623,611,392
5. Step 5: Solve for x
   x = 983,940,675,909,623,611,392/13,288,099,318
6. Step 6: Final answer
   x = 74,046,758,107.59