Finding the Third Proportional to 21,033,465 and 31,466,118

Step by Step Solution

1. Step 1: Write the proportion equation
   21,033,465 : 31,466,118 = 31,466,118 : x
2. Step 2: Convert to fraction form
   21,033,465/31,466,118 = 31,466,118/x
3. Step 3: Cross multiply
   21,033,465x = 31,466,118 × 31,466,118
4. Step 4: Simplify right side
   21,033,465x = 990,116,581,989,924
5. Step 5: Solve for x
   x = 990,116,581,989,924/21,033,465
6. Step 6: Final answer
   x = 47,073,393.85