Finding the Third Proportional to 13,106,718 and 19,660,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,106,718 : 19,660,081.50 = 19,660,081.50 : x
2. Step 2: Convert to fraction form
   13,106,718/19,660,081.50 = 19,660,081.50/x
3. Step 3: Cross multiply
   13,106,718x = 19,660,081.50 × 19,660,081.50
4. Step 4: Simplify right side
   13,106,718x = 386,518,804,586,642.25
5. Step 5: Solve for x
   x = 386,518,804,586,642.25/13,106,718
6. Step 6: Final answer
   x = 29,490,129.00