Finding the Third Proportional to 6,566,781 and 10,490,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,566,781 : 10,490,422.50 = 10,490,422.50 : x
2. Step 2: Convert to fraction form
   6,566,781/10,490,422.50 = 10,490,422.50/x
3. Step 3: Cross multiply
   6,566,781x = 10,490,422.50 × 10,490,422.50
4. Step 4: Simplify right side
   6,566,781x = 110,048,964,228,506.25
5. Step 5: Solve for x
   x = 110,048,964,228,506.25/6,566,781
6. Step 6: Final answer
   x = 16,758,433.73