Finding the Third Proportional to 40,938,869 and 89,052,178

Step by Step Solution

1. Step 1: Write the proportion equation
   40,938,869 : 89,052,178 = 89,052,178 : x
2. Step 2: Convert to fraction form
   40,938,869/89,052,178 = 89,052,178/x
3. Step 3: Cross multiply
   40,938,869x = 89,052,178 × 89,052,178
4. Step 4: Simplify right side
   40,938,869x = 7,930,290,406,543,684
5. Step 5: Solve for x
   x = 7,930,290,406,543,684/40,938,869
6. Step 6: Final answer
   x = 193,710,539.65