Finding the Third Proportional to 16,297,888.50 and 34,538,643

Step by Step Solution

1. Step 1: Write the proportion equation
   16,297,888.50 : 34,538,643 = 34,538,643 : x
2. Step 2: Convert to fraction form
   16,297,888.50/34,538,643 = 34,538,643/x
3. Step 3: Cross multiply
   16,297,888.50x = 34,538,643 × 34,538,643
4. Step 4: Simplify right side
   16,297,888.50x = 1,192,917,860,281,449
5. Step 5: Solve for x
   x = 1,192,917,860,281,449/16,297,888.50
6. Step 6: Final answer
   x = 73,194,626.43