Finding the Third Proportional to 19,479,312 and 30,279,960

Step by Step Solution

1. Step 1: Write the proportion equation
   19,479,312 : 30,279,960 = 30,279,960 : x
2. Step 2: Convert to fraction form
   19,479,312/30,279,960 = 30,279,960/x
3. Step 3: Cross multiply
   19,479,312x = 30,279,960 × 30,279,960
4. Step 4: Simplify right side
   19,479,312x = 916,875,977,601,600
5. Step 5: Solve for x
   x = 916,875,977,601,600/19,479,312
6. Step 6: Final answer
   x = 47,069,217.72