Finding the Third Proportional to 83,443,520 and 129,094,608

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443,520 : 129,094,608 = 129,094,608 : x
2. Step 2: Convert to fraction form
   83,443,520/129,094,608 = 129,094,608/x
3. Step 3: Cross multiply
   83,443,520x = 129,094,608 × 129,094,608
4. Step 4: Simplify right side
   83,443,520x = 16,665,417,814,673,664
5. Step 5: Solve for x
   x = 16,665,417,814,673,664/83,443,520
6. Step 6: Final answer
   x = 199,720,934.77