Finding the Third Proportional to 2,152,889 and 5,074,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,889 : 5,074,962.50 = 5,074,962.50 : x
2. Step 2: Convert to fraction form
   2,152,889/5,074,962.50 = 5,074,962.50/x
3. Step 3: Cross multiply
   2,152,889x = 5,074,962.50 × 5,074,962.50
4. Step 4: Simplify right side
   2,152,889x = 25,755,244,376,406.25
5. Step 5: Solve for x
   x = 25,755,244,376,406.25/2,152,889
6. Step 6: Final answer
   x = 11,963,108.35