Finding the Third Proportional to 30,877,688 and 45,418,404

Step by Step Solution

1. Step 1: Write the proportion equation
   30,877,688 : 45,418,404 = 45,418,404 : x
2. Step 2: Convert to fraction form
   30,877,688/45,418,404 = 45,418,404/x
3. Step 3: Cross multiply
   30,877,688x = 45,418,404 × 45,418,404
4. Step 4: Simplify right side
   30,877,688x = 2,062,831,421,907,216
5. Step 5: Solve for x
   x = 2,062,831,421,907,216/30,877,688
6. Step 6: Final answer
   x = 66,806,537.52