Finding the Third Proportional to 31,513,224 and 68,547,896

Step by Step Solution

1. Step 1: Write the proportion equation
   31,513,224 : 68,547,896 = 68,547,896 : x
2. Step 2: Convert to fraction form
   31,513,224/68,547,896 = 68,547,896/x
3. Step 3: Cross multiply
   31,513,224x = 68,547,896 × 68,547,896
4. Step 4: Simplify right side
   31,513,224x = 4,698,814,046,026,816
5. Step 5: Solve for x
   x = 4,698,814,046,026,816/31,513,224
6. Step 6: Final answer
   x = 149,106,103.71