Finding the Third Proportional to 12,922,490 and 28,192,180

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,490 : 28,192,180 = 28,192,180 : x
2. Step 2: Convert to fraction form
   12,922,490/28,192,180 = 28,192,180/x
3. Step 3: Cross multiply
   12,922,490x = 28,192,180 × 28,192,180
4. Step 4: Simplify right side
   12,922,490x = 794,799,013,152,400
5. Step 5: Solve for x
   x = 794,799,013,152,400/12,922,490
6. Step 6: Final answer
   x = 61,505,097.95