Finding the Third Proportional to 8,295,887,715 and 12,128,877,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,295,887,715 : 12,128,877,814.50 = 12,128,877,814.50 : x
2. Step 2: Convert to fraction form
   8,295,887,715/12,128,877,814.50 = 12,128,877,814.50/x
3. Step 3: Cross multiply
   8,295,887,715x = 12,128,877,814.50 × 12,128,877,814.50
4. Step 4: Simplify right side
   8,295,887,715x = 147,109,677,039,070,298,112
5. Step 5: Solve for x
   x = 147,109,677,039,070,298,112/8,295,887,715
6. Step 6: Final answer
   x = 17,732,843,318.63