Finding the Third Proportional to 31,848,811 and 69,658,772

Step by Step Solution

1. Step 1: Write the proportion equation
   31,848,811 : 69,658,772 = 69,658,772 : x
2. Step 2: Convert to fraction form
   31,848,811/69,658,772 = 69,658,772/x
3. Step 3: Cross multiply
   31,848,811x = 69,658,772 × 69,658,772
4. Step 4: Simplify right side
   31,848,811x = 4,852,344,516,547,984
5. Step 5: Solve for x
   x = 4,852,344,516,547,984/31,848,811
6. Step 6: Final answer
   x = 152,355,593.95