Finding the Third Proportional to 19,580,820 and 42,415,950

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,820 : 42,415,950 = 42,415,950 : x
2. Step 2: Convert to fraction form
   19,580,820/42,415,950 = 42,415,950/x
3. Step 3: Cross multiply
   19,580,820x = 42,415,950 × 42,415,950
4. Step 4: Simplify right side
   19,580,820x = 1,799,112,814,402,500
5. Step 5: Solve for x
   x = 1,799,112,814,402,500/19,580,820
6. Step 6: Final answer
   x = 91,881,382.62