Finding the Third Proportional to 8,406,123 and 13,312,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,406,123 : 13,312,924.50 = 13,312,924.50 : x
2. Step 2: Convert to fraction form
   8,406,123/13,312,924.50 = 13,312,924.50/x
3. Step 3: Cross multiply
   8,406,123x = 13,312,924.50 × 13,312,924.50
4. Step 4: Simplify right side
   8,406,123x = 177,233,958,742,700.25
5. Step 5: Solve for x
   x = 177,233,958,742,700.25/8,406,123
6. Step 6: Final answer
   x = 21,083,912.14