Finding the Third Proportional to 55,225,212 and 86,443,290

Step by Step Solution

1. Step 1: Write the proportion equation
   55,225,212 : 86,443,290 = 86,443,290 : x
2. Step 2: Convert to fraction form
   55,225,212/86,443,290 = 86,443,290/x
3. Step 3: Cross multiply
   55,225,212x = 86,443,290 × 86,443,290
4. Step 4: Simplify right side
   55,225,212x = 7,472,442,386,024,100
5. Step 5: Solve for x
   x = 7,472,442,386,024,100/55,225,212
6. Step 6: Final answer
   x = 135,308,532.38