Finding the Third Proportional to 13,035,169.27 and 19,720,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,035,169.27 : 19,720,520.72 = 19,720,520.72 : x
2. Step 2: Convert to fraction form
   13,035,169.27/19,720,520.72 = 19,720,520.72/x
3. Step 3: Cross multiply
   13,035,169.27x = 19,720,520.72 × 19,720,520.72
4. Step 4: Simplify right side
   13,035,169.27x = 388,898,937,418,648
5. Step 5: Solve for x
   x = 388,898,937,418,648/13,035,169.27
6. Step 6: Final answer
   x = 29,834,590.52