Finding the Third Proportional to 4,000,312 and 8,626,124

Step by Step Solution

1. Step 1: Write the proportion equation
   4,000,312 : 8,626,124 = 8,626,124 : x
2. Step 2: Convert to fraction form
   4,000,312/8,626,124 = 8,626,124/x
3. Step 3: Cross multiply
   4,000,312x = 8,626,124 × 8,626,124
4. Step 4: Simplify right side
   4,000,312x = 74,410,015,263,376
5. Step 5: Solve for x
   x = 74,410,015,263,376/4,000,312
6. Step 6: Final answer
   x = 18,601,052.93