Finding the Third Proportional to 3,875,392 and 9,051,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875,392 : 9,051,787.50 = 9,051,787.50 : x
2. Step 2: Convert to fraction form
   3,875,392/9,051,787.50 = 9,051,787.50/x
3. Step 3: Cross multiply
   3,875,392x = 9,051,787.50 × 9,051,787.50
4. Step 4: Simplify right side
   3,875,392x = 81,934,856,945,156.25
5. Step 5: Solve for x
   x = 81,934,856,945,156.25/3,875,392
6. Step 6: Final answer
   x = 21,142,340.43