Finding the Third Proportional to 31,099,424 and 42,869,943

Step by Step Solution

1. Step 1: Write the proportion equation
   31,099,424 : 42,869,943 = 42,869,943 : x
2. Step 2: Convert to fraction form
   31,099,424/42,869,943 = 42,869,943/x
3. Step 3: Cross multiply
   31,099,424x = 42,869,943 × 42,869,943
4. Step 4: Simplify right side
   31,099,424x = 1,837,832,012,823,249
5. Step 5: Solve for x
   x = 1,837,832,012,823,249/31,099,424
6. Step 6: Final answer
   x = 59,095,371.44