Finding the Third Proportional to 21,337,393.50 and 30,490,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,337,393.50 : 30,490,672.50 = 30,490,672.50 : x
2. Step 2: Convert to fraction form
   21,337,393.50/30,490,672.50 = 30,490,672.50/x
3. Step 3: Cross multiply
   21,337,393.50x = 30,490,672.50 × 30,490,672.50
4. Step 4: Simplify right side
   21,337,393.50x = 929,681,109,502,256.25
5. Step 5: Solve for x
   x = 929,681,109,502,256.25/21,337,393.50
6. Step 6: Final answer
   x = 43,570,509.65