Finding the Third Proportional to 13,152,129 and 28,818,498

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152,129 : 28,818,498 = 28,818,498 : x
2. Step 2: Convert to fraction form
   13,152,129/28,818,498 = 28,818,498/x
3. Step 3: Cross multiply
   13,152,129x = 28,818,498 × 28,818,498
4. Step 4: Simplify right side
   13,152,129x = 830,505,826,976,004
5. Step 5: Solve for x
   x = 830,505,826,976,004/13,152,129
6. Step 6: Final answer
   x = 63,146,113.22