Finding the Third Proportional to 13,158,322 and 19,737,419

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158,322 : 19,737,419 = 19,737,419 : x
2. Step 2: Convert to fraction form
   13,158,322/19,737,419 = 19,737,419/x
3. Step 3: Cross multiply
   13,158,322x = 19,737,419 × 19,737,419
4. Step 4: Simplify right side
   13,158,322x = 389,565,708,781,561
5. Step 5: Solve for x
   x = 389,565,708,781,561/13,158,322
6. Step 6: Final answer
   x = 29,606,032.50