Finding the Third Proportional to 19,150,550 and 28,657,972

Step by Step Solution

1. Step 1: Write the proportion equation
   19,150,550 : 28,657,972 = 28,657,972 : x
2. Step 2: Convert to fraction form
   19,150,550/28,657,972 = 28,657,972/x
3. Step 3: Cross multiply
   19,150,550x = 28,657,972 × 28,657,972
4. Step 4: Simplify right side
   19,150,550x = 821,279,359,152,784
5. Step 5: Solve for x
   x = 821,279,359,152,784/19,150,550
6. Step 6: Final answer
   x = 42,885,418.91