Finding the Third Proportional to 89,269,290 and 137,881,752

Step by Step Solution

1. Step 1: Write the proportion equation
   89,269,290 : 137,881,752 = 137,881,752 : x
2. Step 2: Convert to fraction form
   89,269,290/137,881,752 = 137,881,752/x
3. Step 3: Cross multiply
   89,269,290x = 137,881,752 × 137,881,752
4. Step 4: Simplify right side
   89,269,290x = 19,011,377,534,589,504
5. Step 5: Solve for x
   x = 19,011,377,534,589,504/89,269,290
6. Step 6: Final answer
   x = 212,966,604.02