Finding the Third Proportional to 55,400,295 and 84,978,126

Step by Step Solution

1. Step 1: Write the proportion equation
   55,400,295 : 84,978,126 = 84,978,126 : x
2. Step 2: Convert to fraction form
   55,400,295/84,978,126 = 84,978,126/x
3. Step 3: Cross multiply
   55,400,295x = 84,978,126 × 84,978,126
4. Step 4: Simplify right side
   55,400,295x = 7,221,281,898,471,876
5. Step 5: Solve for x
   x = 7,221,281,898,471,876/55,400,295
6. Step 6: Final answer
   x = 130,347,354.62