Finding the Third Proportional to 9,570,160 and 21,000,374

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,160 : 21,000,374 = 21,000,374 : x
2. Step 2: Convert to fraction form
   9,570,160/21,000,374 = 21,000,374/x
3. Step 3: Cross multiply
   9,570,160x = 21,000,374 × 21,000,374
4. Step 4: Simplify right side
   9,570,160x = 441,015,708,139,876
5. Step 5: Solve for x
   x = 441,015,708,139,876/9,570,160
6. Step 6: Final answer
   x = 46,082,375.65