Finding the Third Proportional to 521,212.50 and 1,142,071.88

Step by Step Solution

1. Step 1: Write the proportion equation
   521,212.50 : 1,142,071.88 = 1,142,071.88 : x
2. Step 2: Convert to fraction form
   521,212.50/1,142,071.88 = 1,142,071.88/x
3. Step 3: Cross multiply
   521,212.50x = 1,142,071.88 × 1,142,071.88
4. Step 4: Simplify right side
   521,212.50x = 1,304,328,167,666.02
5. Step 5: Solve for x
   x = 1,304,328,167,666.02/521,212.50
6. Step 6: Final answer
   x = 2,502,488.27