Finding the Third Proportional to 16,648,029,581 and 38,846,744,758

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648,029,581 : 38,846,744,758 = 38,846,744,758 : x
2. Step 2: Convert to fraction form
   16,648,029,581/38,846,744,758 = 38,846,744,758/x
3. Step 3: Cross multiply
   16,648,029,581x = 38,846,744,758 × 38,846,744,758
4. Step 4: Simplify right side
   16,648,029,581x = 1,509,069,578,293,200,551,936
5. Step 5: Solve for x
   x = 1,509,069,578,293,200,551,936/16,648,029,581
6. Step 6: Final answer
   x = 90,645,536,815.69