Finding the Third Proportional to 39,781,036 and 56,150,670

Step by Step Solution

1. Step 1: Write the proportion equation
   39,781,036 : 56,150,670 = 56,150,670 : x
2. Step 2: Convert to fraction form
   39,781,036/56,150,670 = 56,150,670/x
3. Step 3: Cross multiply
   39,781,036x = 56,150,670 × 56,150,670
4. Step 4: Simplify right side
   39,781,036x = 3,152,897,741,448,900
5. Step 5: Solve for x
   x = 3,152,897,741,448,900/39,781,036
6. Step 6: Final answer
   x = 79,256,300.45