Finding the Third Proportional to 16,238,385 and 33,820,191

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238,385 : 33,820,191 = 33,820,191 : x
2. Step 2: Convert to fraction form
   16,238,385/33,820,191 = 33,820,191/x
3. Step 3: Cross multiply
   16,238,385x = 33,820,191 × 33,820,191
4. Step 4: Simplify right side
   16,238,385x = 1,143,805,319,276,481
5. Step 5: Solve for x
   x = 1,143,805,319,276,481/16,238,385
6. Step 6: Final answer
   x = 70,438,366.83