Finding the Third Proportional to 85,109,328 and 134,789,240

Step by Step Solution

1. Step 1: Write the proportion equation
   85,109,328 : 134,789,240 = 134,789,240 : x
2. Step 2: Convert to fraction form
   85,109,328/134,789,240 = 134,789,240/x
3. Step 3: Cross multiply
   85,109,328x = 134,789,240 × 134,789,240
4. Step 4: Simplify right side
   85,109,328x = 18,168,139,219,777,600
5. Step 5: Solve for x
   x = 18,168,139,219,777,600/85,109,328
6. Step 6: Final answer
   x = 213,468,248.98