Finding the Third Proportional to 47,772,585 and 72,054,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,772,585 : 72,054,805.50 = 72,054,805.50 : x
2. Step 2: Convert to fraction form
   47,772,585/72,054,805.50 = 72,054,805.50/x
3. Step 3: Cross multiply
   47,772,585x = 72,054,805.50 × 72,054,805.50
4. Step 4: Simplify right side
   47,772,585x = 5,191,894,995,642,830
5. Step 5: Solve for x
   x = 5,191,894,995,642,830/47,772,585
6. Step 6: Final answer
   x = 108,679,381.61