Finding the Third Proportional to 42,255,238 and 91,737,770

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255,238 : 91,737,770 = 91,737,770 : x
2. Step 2: Convert to fraction form
   42,255,238/91,737,770 = 91,737,770/x
3. Step 3: Cross multiply
   42,255,238x = 91,737,770 × 91,737,770
4. Step 4: Simplify right side
   42,255,238x = 8,415,818,444,572,900
5. Step 5: Solve for x
   x = 8,415,818,444,572,900/42,255,238
6. Step 6: Final answer
   x = 199,166,277.20