Finding the Third Proportional to 69,081,541.50 and 148,924,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,081,541.50 : 148,924,216.50 = 148,924,216.50 : x
2. Step 2: Convert to fraction form
   69,081,541.50/148,924,216.50 = 148,924,216.50/x
3. Step 3: Cross multiply
   69,081,541.50x = 148,924,216.50 × 148,924,216.50
4. Step 4: Simplify right side
   69,081,541.50x = 22,178,422,260,138,872
5. Step 5: Solve for x
   x = 22,178,422,260,138,872/69,081,541.50
6. Step 6: Final answer
   x = 321,047,008.77