Finding the Third Proportional to 25,869,860 and 43,113,838

Step by Step Solution

1. Step 1: Write the proportion equation
   25,869,860 : 43,113,838 = 43,113,838 : x
2. Step 2: Convert to fraction form
   25,869,860/43,113,838 = 43,113,838/x
3. Step 3: Cross multiply
   25,869,860x = 43,113,838 × 43,113,838
4. Step 4: Simplify right side
   25,869,860x = 1,858,803,027,090,244
5. Step 5: Solve for x
   x = 1,858,803,027,090,244/25,869,860
6. Step 6: Final answer
   x = 71,852,071.37