Finding the Third Proportional to 57,789,664 and 84,611,212

Step by Step Solution

1. Step 1: Write the proportion equation
   57,789,664 : 84,611,212 = 84,611,212 : x
2. Step 2: Convert to fraction form
   57,789,664/84,611,212 = 84,611,212/x
3. Step 3: Cross multiply
   57,789,664x = 84,611,212 × 84,611,212
4. Step 4: Simplify right side
   57,789,664x = 7,159,057,196,108,944
5. Step 5: Solve for x
   x = 7,159,057,196,108,944/57,789,664
6. Step 6: Final answer
   x = 123,881,273.93