Finding the Third Proportional to 17,986,619.50 and 39,559,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,986,619.50 : 39,559,644.50 = 39,559,644.50 : x
2. Step 2: Convert to fraction form
   17,986,619.50/39,559,644.50 = 39,559,644.50/x
3. Step 3: Cross multiply
   17,986,619.50x = 39,559,644.50 × 39,559,644.50
4. Step 4: Simplify right side
   17,986,619.50x = 1,564,965,472,966,380.25
5. Step 5: Solve for x
   x = 1,564,965,472,966,380.25/17,986,619.50
6. Step 6: Final answer
   x = 87,007,204.05