Finding the Third Proportional to 16,578,219,670 and 36,061,118,699

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578,219,670 : 36,061,118,699 = 36,061,118,699 : x
2. Step 2: Convert to fraction form
   16,578,219,670/36,061,118,699 = 36,061,118,699/x
3. Step 3: Cross multiply
   16,578,219,670x = 36,061,118,699 × 36,061,118,699
4. Step 4: Simplify right side
   16,578,219,670x = 1,300,404,281,823,367,528,448
5. Step 5: Solve for x
   x = 1,300,404,281,823,367,528,448/16,578,219,670
6. Step 6: Final answer
   x = 78,440,526,649.35