Finding the Third Proportional to 8,834,116.50 and 18,686,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,834,116.50 : 18,686,777.50 = 18,686,777.50 : x
2. Step 2: Convert to fraction form
   8,834,116.50/18,686,777.50 = 18,686,777.50/x
3. Step 3: Cross multiply
   8,834,116.50x = 18,686,777.50 × 18,686,777.50
4. Step 4: Simplify right side
   8,834,116.50x = 349,195,653,334,506.25
5. Step 5: Solve for x
   x = 349,195,653,334,506.25/8,834,116.50
6. Step 6: Final answer
   x = 39,528,078.82