Finding the Third Proportional to 2,357,218 and 5,090,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357,218 : 5,090,053.50 = 5,090,053.50 : x
2. Step 2: Convert to fraction form
   2,357,218/5,090,053.50 = 5,090,053.50/x
3. Step 3: Cross multiply
   2,357,218x = 5,090,053.50 × 5,090,053.50
4. Step 4: Simplify right side
   2,357,218x = 25,908,644,632,862.25
5. Step 5: Solve for x
   x = 25,908,644,632,862.25/2,357,218
6. Step 6: Final answer
   x = 10,991,195.82