Finding the Third Proportional to 9,889,064.50 and 20,536,046

Step by Step Solution

1. Step 1: Write the proportion equation
   9,889,064.50 : 20,536,046 = 20,536,046 : x
2. Step 2: Convert to fraction form
   9,889,064.50/20,536,046 = 20,536,046/x
3. Step 3: Cross multiply
   9,889,064.50x = 20,536,046 × 20,536,046
4. Step 4: Simplify right side
   9,889,064.50x = 421,729,185,314,116
5. Step 5: Solve for x
   x = 421,729,185,314,116/9,889,064.50
6. Step 6: Final answer
   x = 42,646,014.22