Finding the Third Proportional to 42,778,134 and 92,374,364

Step by Step Solution

1. Step 1: Write the proportion equation
   42,778,134 : 92,374,364 = 92,374,364 : x
2. Step 2: Convert to fraction form
   42,778,134/92,374,364 = 92,374,364/x
3. Step 3: Cross multiply
   42,778,134x = 92,374,364 × 92,374,364
4. Step 4: Simplify right side
   42,778,134x = 8,533,023,124,404,496
5. Step 5: Solve for x
   x = 8,533,023,124,404,496/42,778,134
6. Step 6: Final answer
   x = 199,471,606.79