Finding the Third Proportional to 9,307,845,435.38 and 13,060,749,715.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307,845,435.38 : 13,060,749,715.31 = 13,060,749,715.31 : x
2. Step 2: Convert to fraction form
   9,307,845,435.38/13,060,749,715.31 = 13,060,749,715.31/x
3. Step 3: Cross multiply
   9,307,845,435.38x = 13,060,749,715.31 × 13,060,749,715.31
4. Step 4: Simplify right side
   9,307,845,435.38x = 170,583,183,126,022,488,064
5. Step 5: Solve for x
   x = 170,583,183,126,022,488,064/9,307,845,435.38
6. Step 6: Final answer
   x = 18,326,817,340.32