Finding the Third Proportional to 7,721,245 and 16,468,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,721,245 : 16,468,449.50 = 16,468,449.50 : x
2. Step 2: Convert to fraction form
   7,721,245/16,468,449.50 = 16,468,449.50/x
3. Step 3: Cross multiply
   7,721,245x = 16,468,449.50 × 16,468,449.50
4. Step 4: Simplify right side
   7,721,245x = 271,209,828,934,050.25
5. Step 5: Solve for x
   x = 271,209,828,934,050.25/7,721,245
6. Step 6: Final answer
   x = 35,125,142.25