Finding the Third Proportional to 2,126,699 and 4,666,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,699 : 4,666,740.50 = 4,666,740.50 : x
2. Step 2: Convert to fraction form
   2,126,699/4,666,740.50 = 4,666,740.50/x
3. Step 3: Cross multiply
   2,126,699x = 4,666,740.50 × 4,666,740.50
4. Step 4: Simplify right side
   2,126,699x = 21,778,466,894,340.25
5. Step 5: Solve for x
   x = 21,778,466,894,340.25/2,126,699
6. Step 6: Final answer
   x = 10,240,502.72