Finding the Third Proportional to 39,590,984 and 82,801,909

Step by Step Solution

1. Step 1: Write the proportion equation
   39,590,984 : 82,801,909 = 82,801,909 : x
2. Step 2: Convert to fraction form
   39,590,984/82,801,909 = 82,801,909/x
3. Step 3: Cross multiply
   39,590,984x = 82,801,909 × 82,801,909
4. Step 4: Simplify right side
   39,590,984x = 6,856,156,134,044,281
5. Step 5: Solve for x
   x = 6,856,156,134,044,281/39,590,984
6. Step 6: Final answer
   x = 173,174,683.76