Finding the Third Proportional to 37,139,302.50 and 81,453,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139,302.50 : 81,453,058.50 = 81,453,058.50 : x
2. Step 2: Convert to fraction form
   37,139,302.50/81,453,058.50 = 81,453,058.50/x
3. Step 3: Cross multiply
   37,139,302.50x = 81,453,058.50 × 81,453,058.50
4. Step 4: Simplify right side
   37,139,302.50x = 6,634,600,739,004,422
5. Step 5: Solve for x
   x = 6,634,600,739,004,422/37,139,302.50
6. Step 6: Final answer
   x = 178,640,962.33