Finding the Third Proportional to 2,166,776 and 4,613,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,776 : 4,613,487.50 = 4,613,487.50 : x
2. Step 2: Convert to fraction form
   2,166,776/4,613,487.50 = 4,613,487.50/x
3. Step 3: Cross multiply
   2,166,776x = 4,613,487.50 × 4,613,487.50
4. Step 4: Simplify right side
   2,166,776x = 21,284,266,912,656.25
5. Step 5: Solve for x
   x = 21,284,266,912,656.25/2,166,776
6. Step 6: Final answer
   x = 9,823,012.12