Finding the Third Proportional to 55,272,458 and 118,309,381

Step by Step Solution

1. Step 1: Write the proportion equation
   55,272,458 : 118,309,381 = 118,309,381 : x
2. Step 2: Convert to fraction form
   55,272,458/118,309,381 = 118,309,381/x
3. Step 3: Cross multiply
   55,272,458x = 118,309,381 × 118,309,381
4. Step 4: Simplify right side
   55,272,458x = 13,997,109,632,603,160
5. Step 5: Solve for x
   x = 13,997,109,632,603,160/55,272,458
6. Step 6: Final answer
   x = 253,238,414.56