Finding the Third Proportional to 9,090,574 and 19,597,917.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,574 : 19,597,917.50 = 19,597,917.50 : x
2. Step 2: Convert to fraction form
   9,090,574/19,597,917.50 = 19,597,917.50/x
3. Step 3: Cross multiply
   9,090,574x = 19,597,917.50 × 19,597,917.50
4. Step 4: Simplify right side
   9,090,574x = 384,078,370,336,806.25
5. Step 5: Solve for x
   x = 384,078,370,336,806.25/9,090,574
6. Step 6: Final answer
   x = 42,250,178.08