Finding the Third Proportional to 55,225,209 and 86,443,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,225,209 : 86,443,285.50 = 86,443,285.50 : x
2. Step 2: Convert to fraction form
   55,225,209/86,443,285.50 = 86,443,285.50/x
3. Step 3: Cross multiply
   55,225,209x = 86,443,285.50 × 86,443,285.50
4. Step 4: Simplify right side
   55,225,209x = 7,472,441,608,034,510
5. Step 5: Solve for x
   x = 7,472,441,608,034,510/55,225,209
6. Step 6: Final answer
   x = 135,308,525.64