Finding the Third Proportional to 16,738,569 and 35,485,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,738,569 : 35,485,897.50 = 35,485,897.50 : x
2. Step 2: Convert to fraction form
   16,738,569/35,485,897.50 = 35,485,897.50/x
3. Step 3: Cross multiply
   16,738,569x = 35,485,897.50 × 35,485,897.50
4. Step 4: Simplify right side
   16,738,569x = 1,259,248,921,380,506.25
5. Step 5: Solve for x
   x = 1,259,248,921,380,506.25/16,738,569
6. Step 6: Final answer
   x = 75,230,380.89