Finding the Third Proportional to 19,140,289.88 and 42,000,656.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140,289.88 : 42,000,656.63 = 42,000,656.63 : x
2. Step 2: Convert to fraction form
   19,140,289.88/42,000,656.63 = 42,000,656.63/x
3. Step 3: Cross multiply
   19,140,289.88x = 42,000,656.63 × 42,000,656.63
4. Step 4: Simplify right side
   19,140,289.88x = 1,764,055,156,931,156.50
5. Step 5: Solve for x
   x = 1,764,055,156,931,156.50/19,140,289.88
6. Step 6: Final answer
   x = 92,164,495.34