Finding the Third Proportional to 57,789,612 and 84,611,142

Step by Step Solution

1. Step 1: Write the proportion equation
   57,789,612 : 84,611,142 = 84,611,142 : x
2. Step 2: Convert to fraction form
   57,789,612/84,611,142 = 84,611,142/x
3. Step 3: Cross multiply
   57,789,612x = 84,611,142 × 84,611,142
4. Step 4: Simplify right side
   57,789,612x = 7,159,045,350,544,164
5. Step 5: Solve for x
   x = 7,159,045,350,544,164/57,789,612
6. Step 6: Final answer
   x = 123,881,180.42