Finding the Third Proportional to 31,243,485 and 64,009,122

Step by Step Solution

1. Step 1: Write the proportion equation
   31,243,485 : 64,009,122 = 64,009,122 : x
2. Step 2: Convert to fraction form
   31,243,485/64,009,122 = 64,009,122/x
3. Step 3: Cross multiply
   31,243,485x = 64,009,122 × 64,009,122
4. Step 4: Simplify right side
   31,243,485x = 4,097,167,699,210,884
5. Step 5: Solve for x
   x = 4,097,167,699,210,884/31,243,485
6. Step 6: Final answer
   x = 131,136,705.76