Finding the Third Proportional to 9,642,249 and 14,587,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642,249 : 14,587,789.50 = 14,587,789.50 : x
2. Step 2: Convert to fraction form
   9,642,249/14,587,789.50 = 14,587,789.50/x
3. Step 3: Cross multiply
   9,642,249x = 14,587,789.50 × 14,587,789.50
4. Step 4: Simplify right side
   9,642,249x = 212,803,602,496,310.25
5. Step 5: Solve for x
   x = 212,803,602,496,310.25/9,642,249
6. Step 6: Final answer
   x = 22,069,913.62