Finding the Third Proportional to 55,869,654 and 87,200,166

Step by Step Solution

1. Step 1: Write the proportion equation
   55,869,654 : 87,200,166 = 87,200,166 : x
2. Step 2: Convert to fraction form
   55,869,654/87,200,166 = 87,200,166/x
3. Step 3: Cross multiply
   55,869,654x = 87,200,166 × 87,200,166
4. Step 4: Simplify right side
   55,869,654x = 7,603,868,950,427,556
5. Step 5: Solve for x
   x = 7,603,868,950,427,556/55,869,654
6. Step 6: Final answer
   x = 136,100,161.82