Finding the Third Proportional to 7,692,898.50 and 12,181,511.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,692,898.50 : 12,181,511.25 = 12,181,511.25 : x
2. Step 2: Convert to fraction form
   7,692,898.50/12,181,511.25 = 12,181,511.25/x
3. Step 3: Cross multiply
   7,692,898.50x = 12,181,511.25 × 12,181,511.25
4. Step 4: Simplify right side
   7,692,898.50x = 148,389,216,333,876.56
5. Step 5: Solve for x
   x = 148,389,216,333,876.56/7,692,898.50
6. Step 6: Final answer
   x = 19,289,116.62