Finding the Third Proportional to 43,490.67 and 63,678.66

Step by Step Solution

1. Step 1: Write the proportion equation
   43,490.67 : 63,678.66 = 63,678.66 : x
2. Step 2: Convert to fraction form
   43,490.67/63,678.66 = 63,678.66/x
3. Step 3: Cross multiply
   43,490.67x = 63,678.66 × 63,678.66
4. Step 4: Simplify right side
   43,490.67x = 4,054,971,261.81
5. Step 5: Solve for x
   x = 4,054,971,261.81/43,490.67
6. Step 6: Final answer
   x = 93,237.72