Finding the Third Proportional to 8,368,924 and 12,931,926

Step by Step Solution

1. Step 1: Write the proportion equation
   8,368,924 : 12,931,926 = 12,931,926 : x
2. Step 2: Convert to fraction form
   8,368,924/12,931,926 = 12,931,926/x
3. Step 3: Cross multiply
   8,368,924x = 12,931,926 × 12,931,926
4. Step 4: Simplify right side
   8,368,924x = 167,234,710,069,476
5. Step 5: Solve for x
   x = 167,234,710,069,476/8,368,924
6. Step 6: Final answer
   x = 19,982,820.98