Finding the Third Proportional to 31,465,242 and 69,174,666

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,242 : 69,174,666 = 69,174,666 : x
2. Step 2: Convert to fraction form
   31,465,242/69,174,666 = 69,174,666/x
3. Step 3: Cross multiply
   31,465,242x = 69,174,666 × 69,174,666
4. Step 4: Simplify right side
   31,465,242x = 4,785,134,416,211,556
5. Step 5: Solve for x
   x = 4,785,134,416,211,556/31,465,242
6. Step 6: Final answer
   x = 152,076,835.01