Finding the Third Proportional to 55,272,454.31 and 118,309,374

Step by Step Solution

1. Step 1: Write the proportion equation
   55,272,454.31 : 118,309,374 = 118,309,374 : x
2. Step 2: Convert to fraction form
   55,272,454.31/118,309,374 = 118,309,374/x
3. Step 3: Cross multiply
   55,272,454.31x = 118,309,374 × 118,309,374
4. Step 4: Simplify right side
   55,272,454.31x = 13,997,107,976,271,876
5. Step 5: Solve for x
   x = 13,997,107,976,271,876/55,272,454.31
6. Step 6: Final answer
   x = 253,238,401.49