Finding the Third Proportional to 31,099,422 and 42,869,940

Step by Step Solution

1. Step 1: Write the proportion equation
   31,099,422 : 42,869,940 = 42,869,940 : x
2. Step 2: Convert to fraction form
   31,099,422/42,869,940 = 42,869,940/x
3. Step 3: Cross multiply
   31,099,422x = 42,869,940 × 42,869,940
4. Step 4: Simplify right side
   31,099,422x = 1,837,831,755,603,600
5. Step 5: Solve for x
   x = 1,837,831,755,603,600/31,099,422
6. Step 6: Final answer
   x = 59,095,366.97