Finding the Third Proportional to 16,687,978.50 and 34,654,923.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,687,978.50 : 34,654,923.75 = 34,654,923.75 : x
2. Step 2: Convert to fraction form
   16,687,978.50/34,654,923.75 = 34,654,923.75/x
3. Step 3: Cross multiply
   16,687,978.50x = 34,654,923.75 × 34,654,923.75
4. Step 4: Simplify right side
   16,687,978.50x = 1,200,963,740,118,314
5. Step 5: Solve for x
   x = 1,200,963,740,118,314/16,687,978.50
6. Step 6: Final answer
   x = 71,965,801.02