Finding the Third Proportional to 13,158,320 and 19,737,416

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158,320 : 19,737,416 = 19,737,416 : x
2. Step 2: Convert to fraction form
   13,158,320/19,737,416 = 19,737,416/x
3. Step 3: Cross multiply
   13,158,320x = 19,737,416 × 19,737,416
4. Step 4: Simplify right side
   13,158,320x = 389,565,590,357,056
5. Step 5: Solve for x
   x = 389,565,590,357,056/13,158,320
6. Step 6: Final answer
   x = 29,606,028.00