Finding the Third Proportional to 30,758,906 and 72,609,291

Step by Step Solution

1. Step 1: Write the proportion equation
   30,758,906 : 72,609,291 = 72,609,291 : x
2. Step 2: Convert to fraction form
   30,758,906/72,609,291 = 72,609,291/x
3. Step 3: Cross multiply
   30,758,906x = 72,609,291 × 72,609,291
4. Step 4: Simplify right side
   30,758,906x = 5,272,109,139,522,681
5. Step 5: Solve for x
   x = 5,272,109,139,522,681/30,758,906
6. Step 6: Final answer
   x = 171,401,061.52