Finding the Third Proportional to 16,817,185 and 25,645,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,817,185 : 25,645,681.50 = 25,645,681.50 : x
2. Step 2: Convert to fraction form
   16,817,185/25,645,681.50 = 25,645,681.50/x
3. Step 3: Cross multiply
   16,817,185x = 25,645,681.50 × 25,645,681.50
4. Step 4: Simplify right side
   16,817,185x = 657,700,979,599,442.25
5. Step 5: Solve for x
   x = 657,700,979,599,442.25/16,817,185
6. Step 6: Final answer
   x = 39,108,862.73