Finding the Third Proportional to 1,939,642.50 and 4,215,030

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,642.50 : 4,215,030 = 4,215,030 : x
2. Step 2: Convert to fraction form
   1,939,642.50/4,215,030 = 4,215,030/x
3. Step 3: Cross multiply
   1,939,642.50x = 4,215,030 × 4,215,030
4. Step 4: Simplify right side
   1,939,642.50x = 17,766,477,900,900
5. Step 5: Solve for x
   x = 17,766,477,900,900/1,939,642.50
6. Step 6: Final answer
   x = 9,159,666.23